\begin{table}%t1 \caption{\label{t:etocho-a}Transitions of the \textit{anti}-conformer of ethyl formate observed with the IRAM 30~m telescope toward Sgr~B2(N). The horizontal lines mark discontinuities in the observed frequency coverage. Only the transitions associated with a modeled line stronger than 20~mK are listed.} \par %\centering \small \begin{tabular}{rlrrrrrl} \hline\hline %&&&&&&& \\[-8pt] \multicolumn{1}{c}{$N^a$} & \multicolumn{1}{c}{Transition$^b$} & \multicolumn{1}{c}{Frequency} & \multicolumn{1}{c}{Unc.$^c$} & \multicolumn{1}{c}{$E_{\rm l}$$^d$} & \multicolumn{1}{c}{$S\mu^2$} & \multicolumn{1}{c}{$\sigma^e$} & \multicolumn{1}{c}{Comments} \\ & & \multicolumn{1}{c}{\scriptsize (MHz)} & \multicolumn{1}{c}{\scriptsize (kHz)} & \multicolumn{1}{c}{\scriptsize (K)} & \multicolumn{1}{c}{\scriptsize (D$^2$)} & \multicolumn{1}{c}{\scriptsize (mK)} & \\ \multicolumn{1}{c}{(1)} & \multicolumn{1}{c}{(2)} & \multicolumn{1}{c}{(3)} & \multicolumn{1}{c}{(4)} & \multicolumn{1}{c}{(5)} & \multicolumn{1}{c}{(6)} & \multicolumn{1}{c}{(7)} & \multicolumn{1}{c}{(8)} \\ \hline 1 & 15$_{ 2,14}$--14$_{ 2,13}$ & 81~779.567 & 4 & 30 & 50.5 & 13 & \textbf{Detected}, blend with $U$-line \\ 2 & 15$_{13, 2}$--14$_{13, 1}$$^\star$ & 82~297.815 & 4 & 149 & 12.8 & 19 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and absorption line of c-HC$^{13}$CCH \\ 4 & 15$_{14, 1}$--14$_{14, 0}$$^\star$ & 82~297.944 & 4 & 169 & 6.6 & 19 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and absorption line of c-HC$^{13}$CCH \\ 6 & 15$_{12, 3}$--14$_{12, 2}$$^\star$ & 82~298.480 & 4 & 131 & 18.5 & 19 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and absorption line of c-HC$^{13}$CCH \\ 8 & 15$_{10, 5}$--14$_{10, 4}$$^\star$ & 82~303.360 & 4 & 100 & 28.6 & 19 & Blend with HC$_3$N, $\varv_6$ = $\varv_7$ = 1 and absorption line of c-HC$^{13}$CCH \\ 10 & 15$_{ 9, 6}$--14$_{ 9, 5}$$^\star$ & 82~308.580 & 4 & 86 & 32.9 & 19 & Strong HC$_3$N, $\varv_6$ = $\varv_7$ = 1 \\ 12 & 15$_{ 8, 7}$--14$_{ 8, 6}$$^\star$ & 82~316.890 & 4 & 74 & 36.8 & 19 & Strong HC$_3$N, $\varv_6$ = $\varv_7$ = 1 \\ 14 & 15$_{ 7, 8}$--14$_{ 7, 7}$$^\star$ & 82~330.125 & 4 & 63 & 40.2 & 19 & Blend with CH$_3$CHO and CH$_3$$^{18}$OH \\ 16 & 15$_{ 6,10}$--14$_{ 6, 9}$$^\star$ & 82~351.854 & 4 & 54 & 43.2 & 19 & \textbf{Detected}, partial blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 18 & 19$_{ 3,17}$--19$_{ 2,18}$ & 82~389.204 & 9 & 53 & 4.8 & 18 & Blend with $^{13}$CH$_3$OH \\ 19 & 15$_{ 5,11}$--14$_{ 5,10}$ & 82~389.698 & 4 & 46 & 45.7 & 18 & Blend with $^{13}$CH$_3$OH \\ 20 & 15$_{ 5,10}$--14$_{ 5, 9}$ & 82~390.016 & 4 & 46 & 45.7 & 18 & Blend with $^{13}$CH$_3$OH \\ 21 & 15$_{ 4,12}$--14$_{ 4,11}$ & 82~457.126 & 4 & 39 & 47.8 & 18 & Strong CH$_3$OCH$_3$ \\ 22 & 15$_{ 4,11}$--14$_{ 4,10}$ & 82~471.367 & 4 & 39 & 47.8 & 18 & Blend with CH$_2$(OH)CHO and $U$-line \\ 23 & 15$_{ 3,13}$--14$_{ 3,12}$ & 82~485.618 & 4 & 34 & 49.4 & 18 & Blend with $U$-lines \\ 24 & 15$_{ 3,12}$--14$_{ 3,11}$ & 82~802.132 & 4 & 34 & 49.4 & 17 & Blend with C$_2$H$_5$CN \\ 25 & 15$_{ 1,14}$--14$_{ 1,13}$ & 83~792.699 & 4 & 29 & 51.1 & 16 & Blend with CH$_3$OH and $U$-lines \\ 26 & 15$_{ 2,13}$--14$_{ 2,12}$ & 84~081.357 & 4 & 31 & 50.5 & 19 & \textbf{Detected}, partial blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 27 & 16$_{ 1,16}$--15$_{ 1,15}$ & 84~444.095 & 4 & 31 & 54.6 & 19 & Blend with $^{13}$CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 28 & 16$_{ 0,16}$--15$_{ 0,15}$ & 85~065.106 & 4 & 31 & 54.7 & 22 & \textbf{Detected}, partial blend with c-C$_2$H$_4$O \\ 29 & 16$_{ 2,15}$--15$_{ 2,14}$ & 87~160.417 & 4 & 34 & 54.0 & 17 & Strong CH$_3$OCHO \\ 30 & 16$_{14, 2}$--15$_{14, 1}$$^\star$ & 87~785.462 & 4 & 173 & 12.9 & 17 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, problem with baseline? \\ 32 & 16$_{13, 3}$--15$_{13, 2}$$^\star$ & 87~785.683 & 4 & 153 & 18.7 & 17 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, problem with baseline? \\ 34 & 16$_{15, 1}$--15$_{15, 0}$$^\star$ & 87~785.966 & 4 & 193 & 6.6 & 17 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, problem with baseline? \\ 36 & 16$_{12, 4}$--15$_{12, 3}$$^\star$ & 87~786.848 & 4 & 135 & 24.0 & 17 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, problem with baseline? \\ 38 & 16$_{11, 5}$--15$_{11, 4}$$^\star$ & 87~789.267 & 4 & 119 & 28.9 & 17 & Blend with $U$-line, uncertain baseline \\ 40 & 16$_{10, 6}$--15$_{10, 5}$$^\star$ & 87~793.413 & 4 & 104 & 33.4 & 17 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 42 & 16$_{ 9, 7}$--15$_{ 9, 6}$$^\star$ & 87~800.031 & 4 & 90 & 37.5 & 17 & Blend with CH$_3$$^{13}$CH$_2$CN and HNCO, $\varv_4$ = 1 \\ 44 & 16$_{ 8, 8}$--15$_{ 8, 7}$$^\star$ & 87~810.372 & 4 & 78 & 41.2 & 17 & \textbf{Group detected}, partial blend with CH$_2$(OH)CHO and C$_2$H$_5$CN \\ 46 & 16$_{ 7, 9}$--15$_{ 7, 8}$$^\star$ & 87~826.665 & 4 & 67 & 44.4 & 17 & \textbf{Group detected}, partial blend with HNCO, $\varv_5$ = 1 \\ 48 & 16$_{ 6,11}$--15$_{ 6,10}$$^\star$ & 87~853.244 & 4 & 58 & 47.2 & 17 & Blend with NH$_2$CHO, problem with baseline? \\ 50 & 16$_{ 5,12}$--15$_{ 5,11}$ & 87~899.302 & 4 & 50 & 49.5 & 17 & Strong C$_2$H$_5$$^{13}$CN, HNCO, and HN$^{13}$CO \\ 51 & 16$_{ 5,11}$--15$_{ 5,10}$ & 87~899.879 & 4 & 50 & 49.5 & 17 & Strong C$_2$H$_5$$^{13}$CN, HNCO, and HN$^{13}$CO \\ 52 & 16$_{ 4,13}$--15$_{ 4,12}$ & 87~979.119 & 4 & 43 & 51.4 & 19 & Blend with $U$-lines \\ 53 & 16$_{ 3,14}$--15$_{ 3,13}$ & 87~993.944 & 4 & 38 & 52.9 & 19 & \textbf{Detected}, partial blend with CH$_3$CH$_3$CO and $U$-line \\ 54 & 16$_{ 4,12}$--15$_{ 4,11}$ & 88~001.562 & 4 & 43 & 51.4 & 19 & \textbf{Detected}, blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 55 & 16$_{ 3,13}$--15$_{ 3,12}$ & 88~425.192 & 4 & 38 & 52.9 & 17 & Blend with CH$_2$(OH)CHO \\ 56 & 16$_{ 1,15}$--15$_{ 1,14}$ & 89~218.355 & 4 & 33 & 54.6 & 16 & Strong HCO$^+$ in absorption \\ 57 & 17$_{ 1,17}$--16$_{ 1,16}$ & 89~651.925 & 4 & 35 & 58.0 & 18 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OH, $\varv_t$ = 2, and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 58 & 16$_{ 2,14}$--15$_{ 2,13}$ & 89~804.728 & 4 & 35 & 54.0 & 18 & Blend with CH$_3$CH$_3$CO \\ 59 & 17$_{ 0,17}$--16$_{ 0,16}$ & 90~190.497 & 5 & 35 & 58.1 & 17 & Blend with CH$_2$(OH)CHO, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, and $U$-line \\ 60 & 17$_{ 2,16}$--16$_{ 2,15}$ & 92~528.452 & 4 & 39 & 57.4 & 22 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 61 & 17$_{14, 3}$--16$_{14, 2}$$^\star$ & 93~273.169 & 4 & 177 & 18.8 & 22 & Blend with $U$-lines \\ 63 & 17$_{15, 2}$--16$_{15, 1}$$^\star$ & 93~273.377 & 5 & 198 & 12.9 & 22 & Blend with $U$-lines \\ 65 & 17$_{13, 4}$--16$_{13, 3}$$^\star$ & 93~273.813 & 4 & 157 & 24.2 & 22 & Blend with $U$-lines \\ 67 & 17$_{16, 1}$--16$_{16, 0}$$^\star$ & 93~274.251 & 5 & 220 & 6.7 & 22 & Blend with $U$-lines \\ 69 & 17$_{12, 5}$--16$_{12, 4}$$^\star$ & 93~275.564 & 4 & 139 & 29.3 & 22 & Blend with $U$-lines \\ 71 & 17$_{11, 6}$--16$_{11, 5}$$^\star$ & 93~278.797 & 4 & 123 & 33.9 & 22 & Blend with $U$-lines \\ 73 & 17$_{10, 7}$--16$_{10, 6}$$^\star$ & 93~284.077 & 4 & 108 & 38.1 & 22 & \textbf{Group detected}, uncertain baseline \\ 75 & 17$_{ 9, 8}$--16$_{ 9, 7}$$^\star$ & 93~292.297 & 4 & 94 & 42.0 & 22 & \textbf{Group detected}, uncertain baseline \\ 77 & 17$_{ 8, 9}$--16$_{ 8, 8}$$^\star$ & 93~304.955 & 4 & 82 & 45.4 & 22 & \textbf{Group detected}, partial blend with $U$-line \\ 79 & 17$_{ 7,11}$--16$_{ 7,10}$$^\star$ & 93~324.728 & 4 & 71 & 48.4 & 22 & \textbf{Group detected}, partial blend with $U$-lines \\ 81 & 17$_{ 6,12}$--16$_{ 6,11}$$^\star$ & 93~356.821 & 4 & 62 & 51.0 & 22 & \textbf{Group detected}, blend with CH$_3$CH$_3$CO and $U$-line? \\ 83 & 17$_{ 5,13}$--16$_{ 5,12}$ & 93~412.160 & 4 & 54 & 53.3 & 22 & \textbf{Group detected}, partial blend with $U$-line? \\ 84 & 17$_{ 5,12}$--16$_{ 5,11}$ & 93~413.168 & 4 & 54 & 53.3 & 22 & \textbf{Group detected}, partial blend with $U$-line? \\ 85 & 17$_{ 3,15}$--16$_{ 3,14}$ & 93~499.096 & 4 & 42 & 56.5 & 24 & Blend with C$_2$H$_5$OH and $U$-line \\ 86 & 17$_{ 4,14}$--16$_{ 4,13}$ & 93~504.972 & 4 & 47 & 55.1 & 24 & \textbf{Detected}, blend with CH$_3$$^{18}$OH \\ 87 & 17$_{ 4,13}$--16$_{ 4,12}$ & 93~539.303 & 4 & 47 & 55.1 & 24 & \textbf{Detected} \\ 88 & 17$_{ 3,14}$--16$_{ 3,13}$ & 94~072.891 & 4 & 42 & 56.5 & 31 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $^{13}$CH$_3$OH, $\varv_t$ = 1 \\ 89 & 17$_{ 1,16}$--16$_{ 1,15}$ & 94~608.131 & 4 & 37 & 58.0 & 26 & Blend with $^{13}$CH$_3$CH$_2$CN and $U$-line \\ 90 & 18$_{ 1,18}$--17$_{ 1,17}$ & 94~852.542 & 5 & 40 & 61.5 & 28 & Weak \\ 91 & 18$_{ 0,18}$--17$_{ 0,17}$ & 95~313.428 & 5 & 39 & 61.5 & 28 & Weak, partial blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1, uncertain baseline \\ 92 & 17$_{ 2,15}$--16$_{ 2,14}$ & 95~517.316 & 4 & 39 & 57.5 & 23 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ \hline 93 & 18$_{ 2,17}$--17$_{ 2,16}$ & 97~883.281 & 4 & 43 & 60.9 & 20 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 and NH$_2$CHO \\ 94 & 18$_{15, 3}$--17$_{15, 2}$$^\star$ & 98~760.931 & 5 & 202 & 18.9 & 18 & \textbf{Group detected}, blend with $U$-line \\ 96 & 18$_{14, 4}$--17$_{14, 3}$$^\star$ & 98~761.079 & 5 & 181 & 24.4 & 18 & \textbf{Group detected}, blend with $U$-line \\ 98 & 18$_{16, 2}$--17$_{16, 1}$$^\star$ & 98~761.555 & 5 & 224 & 13.0 & 18 & \textbf{Group detected}, blend with $U$-line \\ 100 & 18$_{13, 5}$--17$_{13, 4}$$^\star$ & 98~762.218 & 5 & 162 & 29.5 & 18 & \textbf{Group detected}, blend with $U$-line \\ 102 & 18$_{17, 1}$--17$_{17, 0}$$^\star$ & 98~762.790 & 5 & 248 & 6.7 & 18 & \textbf{Group detected}, blend with $U$-line \\ 104 & 18$_{12, 6}$--17$_{12, 5}$$^\star$ & 98~764.650 & 5 & 144 & 34.3 & 18 & \textbf{Group detected} \\ 106 & 18$_{11, 7}$--17$_{11, 6}$$^\star$ & 98~768.818 & 5 & 127 & 38.7 & 18 & Blend with $U$-line \\ 108 & 18$_{10, 8}$--17$_{10, 7}$$^\star$ & 98~775.390 & 5 & 112 & 42.7 & 18 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 110 & 18$_{ 9, 9}$--17$_{ 9, 8}$$^\star$ & 98~785.427 & 5 & 99 & 46.3 & 18 & Blend with $U$-line, CH$_3$OCHO, and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 112 & 18$_{ 8,10}$--17$_{ 8, 9}$$^\star$ & 98~800.707 & 5 & 86 & 49.6 & 18 & Blend with CH$_3$CH$_3$CO \\ 114 & 18$_{ 7,12}$--17$_{ 7,11}$$^\star$ & 98~824.411 & 4 & 76 & 52.4 & 18 & Blend with C$_2$H$_5$OH \\ 116 & 18$_{ 6,13}$--17$_{ 6,12}$$^\star$ & 98~862.724 & 4 & 66 & 54.9 & 18 & Blend with strong $U$-line \\ 118 & 18$_{ 5,14}$--17$_{ 5,13}$ & 98~928.453 & 4 & 58 & 57.0 & 18 & \textbf{Group detected}, blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 119 & 18$_{ 5,13}$--17$_{ 5,12}$ & 98~930.153 & 4 & 58 & 57.0 & 18 & \textbf{Group detected}, blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 120 & 18$_{ 3,16}$--17$_{ 3,15}$ & 98~999.806 & 4 & 47 & 60.0 & 18 & Blend with $U$-lines \\ 121 & 18$_{ 4,15}$--17$_{ 4,14}$ & 99~034.515 & 4 & 52 & 58.7 & 19 & Blend with $^{13}$CH$_3$CH$_2$CN, CH$_3$CH$_3$CO, $\varv_t$ = 1, and $U$-lines \\ 122 & 18$_{ 4,14}$--17$_{ 4,13}$ & 99~085.662 & 4 & 52 & 58.7 & 19 & Blend with a(CH$_2$OH)$_2$ and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 123 & 18$_{ 3,15}$--17$_{ 3,14}$ & 99~746.684 & 5 & 47 & 60.0 & 14 & Blend with NH$_2$CN and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 124 & 18$_{ 1,17}$--17$_{ 1,16}$ & 99~959.814 & 4 & 42 & 61.4 & 14 & Blend with NH$_2$CN and CH$_3$CH$_3$CO \\ 125 & 19$_{ 1,19}$--18$_{ 1,18}$ & 100~046.587 & 5 & 44 & 64.9 & 14 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 and $U$-line \\ 126 & 19$_{ 0,19}$--18$_{ 0,18}$ & 100~436.418 & 5 & 44 & 64.9 & 24 & Blend with CH$_3$OCH$_3$ and C$_2$H$_5$OH \\ 127 & 18$_{ 2,16}$--17$_{ 2,15}$ & 101~213.969 & 5 & 44 & 61.0 & 21 & Blend with $U$-line \\ 128 & 19$_{ 2,18}$--18$_{ 2,17}$ & 103~224.624 & 5 & 48 & 64.4 & 25 & Blend with c-C$_2$H$_4$O, CH$_3$OCHO, and $U$-line \\ 129 & 19$_{15, 4}$--18$_{15, 3}$$^\star$ & 104~248.635 & 5 & 207 & 24.6 & 48 & Blend with SO$_2$ and $U$-line? \\ 131 & 19$_{16, 3}$--18$_{16, 2}$$^\star$ & 104~248.958 & 5 & 229 & 19.0 & 48 & Blend with SO$_2$ and $U$-line? \\ 133 & 19$_{14, 5}$--18$_{14, 4}$$^\star$ & 104~249.203 & 5 & 186 & 29.8 & 48 & Blend with SO$_2$ and $U$-line? \\ 135 & 19$_{17, 2}$--18$_{17, 1}$$^\star$ & 104~249.983 & 5 & 253 & 13.0 & 48 & Blend with SO$_2$ and $U$-line? \\ 137 & 19$_{13, 6}$--18$_{13, 5}$$^\star$ & 104~250.916 & 5 & 167 & 34.7 & 48 & Blend with SO$_2$ and $U$-line? \\ 139 & 19$_{18, 1}$--18$_{18, 0}$$^\star$ & 104~251.566 & 5 & 278 & 6.7 & 48 & Blend with SO$_2$ and $U$-line? \\ 141 & 19$_{12, 7}$--18$_{12, 6}$$^\star$ & 104~254.128 & 5 & 149 & 39.2 & 48 & Blend with CH$_3$OCHO \\ 143 & 19$_{11, 8}$--18$_{11, 7}$$^\star$ & 104~259.358 & 5 & 132 & 43.3 & 48 & Weak, baseline problem? \\ 145 & 19$_{10, 9}$--18$_{10, 8}$$^\star$ & 104~267.390 & 5 & 117 & 47.1 & 48 & Weak \\ 147 & 19$_{ 9,10}$--18$_{ 9, 9}$$^\star$ & 104~279.474 & 5 & 103 & 50.6 & 48 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$OH \\ 149 & 19$_{ 8,11}$--18$_{ 8,10}$$^\star$ & 104~297.698 & 5 & 91 & 53.6 & 48 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and CH$_3$OH \\ 151 & 19$_{ 7,13}$--18$_{ 7,12}$$^\star$ & 104~325.811 & 5 & 80 & 56.3 & 48 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3, CH$_3$$^{18}$OH, and $U$-lines \\ 153 & 19$_{ 6,14}$--18$_{ 6,13}$$^\star$ & 104~371.094 & 5 & 71 & 58.7 & 48 & Blend with $U$-lines \\ 155 & 19$_{ 5,15}$--18$_{ 5,14}$ & 104~448.349 & 5 & 63 & 60.7 & 48 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $^{13}$CH$_3$CH$_2$CN \\ 156 & 19$_{ 5,14}$--18$_{ 5,13}$ & 104~451.132 & 5 & 63 & 60.7 & 48 & Blend with $^{13}$CH$_3$CH$_2$CN, C$_2$H$_3$CN, and $^{13}$CH$_3$OH \\ 157 & 19$_{ 3,17}$--18$_{ 3,16}$ & 104~494.782 & 5 & 52 & 63.5 & 25 & Blend with C$_2$H$_3$CN and C$_2$H$_3$CN, $\varv_{15}$ = 2 \\ 158 & 19$_{ 4,16}$--18$_{ 4,15}$ & 104~567.468 & 5 & 57 & 62.3 & 25 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 159 & 19$_{ 4,15}$--18$_{ 4,14}$ & 104~641.877 & 5 & 57 & 62.3 & 25 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1, C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1, and $U$-line \\ 160 & 20$_{ 1,20}$--19$_{ 1,19}$ & 105~234.713 & 5 & 49 & 68.4 & 28 & \textbf{Detected}, blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 161 & 19$_{ 1,18}$--18$_{ 1,17}$ & 105~272.047 & 5 & 47 & 64.8 & 28 & \textbf{Detected}, blend with $U$-lines \\ 162 & 19$_{ 3,16}$--18$_{ 3,15}$ & 105~447.141 & 5 & 52 & 63.5 & 37 & \textbf{Detected} \\ 163 & 20$_{ 0,20}$--19$_{ 0,19}$ & 105~561.113 & 5 & 49 & 68.4 & 37 & Blend with CH$_3$OCH$_3$ and CH$_3$CH$_3$CO \\ 164 & 19$_{ 2,17}$--18$_{ 2,16}$ & 106~890.388 & 100 & 49 & 64.5 & 24 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-lines \\ 165 & 20$_{ 2,19}$--19$_{ 2,18}$ & 108~552.378 & 100 & 53 & 67.8 & 20 & \textbf{Detected}, partial blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 and $U$-lines \\ 166 & 20$_{16, 4}$--19$_{16, 3}$$^\star$ & 109~736.466 & 5 & 234 & 24.7 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 168 & 20$_{15, 5}$--19$_{15, 4}$$^\star$ & 109~736.499 & 5 & 212 & 30.0 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 170 & 20$_{17, 3}$--19$_{17, 2}$$^\star$ & 109~737.236 & 5 & 258 & 19.0 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 172 & 20$_{14, 6}$--19$_{14, 5}$$^\star$ & 109~737.553 & 5 & 191 & 35.0 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 174 & 20$_{18, 2}$--19$_{18, 1}$$^\star$ & 109~738.645 & 5 & 283 & 13.0 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 176 & 20$_{13, 7}$--19$_{13, 6}$$^\star$ & 109~739.922 & 5 & 172 & 39.6 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 178 & 20$_{19, 1}$--19$_{19, 0}$$^\star$ & 109~740.558 & 6 & 310 & 6.7 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 180 & 20$_{12, 8}$--19$_{12, 7}$$^\star$ & 109~744.026 & 100 & 154 & 43.9 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3 \\ 182 & 20$_{11, 9}$--19$_{11, 8}$$^\star$ & 109~750.509 & 100 & 137 & 47.9 & 41 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and NH$_2$CHO \\ 184 & 20$_{10,10}$--19$_{10, 9}$$^\star$ & 109~760.033 & 100 & 122 & 51.4 & 41 & Strong SO$_2$ and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 186 & 20$_{ 9,11}$--19$_{ 9,10}$$^\star$ & 109~774.484 & 100 & 108 & 54.7 & 41 & Strong CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 and C$^{18}$O \\ 188 & 20$_{ 8,12}$--19$_{ 8,11}$$^\star$ & 109~796.006 & 100 & 96 & 57.6 & 41 & Blend with CH$_3$CN, $\varv_4$ = 1, C$^{18}$O? and $U$-line?, uncertain baseline \\ 190 & 20$_{ 7,13}$--19$_{ 7,12}$$^\star$ & 109~829.206 & 100 & 85 & 60.2 & 41 & Blend with CH$_3$CN, $\varv_4$ = 1 and HNCO \\ 192 & 20$_{ 6,15}$--19$_{ 6,14}$ & 109~882.071 & 5 & 76 & 62.4 & 41 & Blend with C$_2$H$_5$CN \\ 193 & 20$_{ 6,14}$--19$_{ 6,13}$ & 109~882.180 & 5 & 76 & 62.4 & 41 & Blend with C$_2$H$_5$CN \\ 194 & 20$_{ 5,16}$--19$_{ 5,15}$ & 109~971.950 & 100 & 68 & 64.3 & 41 & Blend with $U$-lines \\ \hline 195 & 20$_{ 5,15}$--19$_{ 5,14}$ & 109~976.496 & 100 & 68 & 64.3 & 41 & Blend with $U$-lines \\ 196 & 20$_{ 3,18}$--19$_{ 3,17}$ & 109~982.754 & 100 & 57 & 67.0 & 41 & Blend with $U$-lines \\ 197 & 20$_{ 4,17}$--19$_{ 4,16}$ & 110~103.554 & 100 & 62 & 65.8 & 24 & Blend with HNCO, $\varv_5$ = 1 \\ 198 & 20$_{ 4,16}$--19$_{ 4,15}$ & 110~209.376 & 5 & 62 & 65.8 & 24 & Blend with $^{13}$CO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 199 & 21$_{ 1,21}$--20$_{ 1,20}$ & 110~417.565 & 5 & 54 & 71.8 & 24 & Blend with HNCO, $\varv_5$ = 1 \\ 200 & 20$_{ 1,19}$--19$_{ 1,18}$ & 110~544.656 & 100 & 52 & 68.2 & 32 & Blend with CH$_3$$^{13}$CN, $\varv_8$ = 1, C$_2$H$_5$OH, CH$_3$OCHO, and $U$-line \\ 201 & 21$_{ 0,21}$--20$_{ 0,20}$ & 110~688.469 & 100 & 54 & 71.8 & 32 & Blend with CH$_3$CN, $\varv_8$ = 1 \\ 202 & 20$_{ 3,17}$--19$_{ 3,16}$ & 111~173.805 & 100 & 57 & 67.1 & 25 & Blend with CH$_3$OCHO \\ 203 & 20$_{ 2,18}$--19$_{ 2,17}$ & 112~542.864 & 100 & 54 & 67.9 & 31 & Blend with $U$-lines \\ 204 & 21$_{ 2,20}$--20$_{ 2,19}$ & 113~866.412 & 100 & 58 & 71.3 & 34 & Blend with C$_2$H$_5$OH and $U$-lines \\ 205 & 21$_{16, 5}$--20$_{16, 4}$$^\star$ & 115~224.084 & 5 & 239 & 30.2 & 60 & Strong CO \\ 207 & 21$_{15, 6}$--20$_{15, 5}$$^\star$ & 115~224.530 & 5 & 217 & 35.3 & 60 & Strong CO \\ 209 & 21$_{17, 4}$--20$_{17, 3}$$^\star$ & 115~224.552 & 5 & 263 & 24.8 & 60 & Strong CO \\ 211 & 21$_{18, 3}$--20$_{18, 2}$$^\star$ & 115~225.746 & 5 & 288 & 19.1 & 60 & Strong CO \\ 213 & 21$_{14, 7}$--20$_{14, 6}$$^\star$ & 115~226.140 & 5 & 196 & 40.0 & 60 & Strong CO \\ 215 & 21$_{19, 2}$--20$_{19, 1}$$^\star$ & 115~227.514 & 6 & 315 & 13.1 & 60 & Strong CO \\ 217 & 21$_{13, 8}$--20$_{13, 7}$$^\star$ & 115~229.252 & 5 & 177 & 44.4 & 60 & Strong CO \\ 219 & 21$_{20, 1}$--20$_{20, 0}$$^\star$ & 115~229.733 & 7 & 343 & 6.7 & 60 & Strong CO \\ 221 & 21$_{12, 9}$--20$_{12, 8}$$^\star$ & 115~234.500 & 100 & 159 & 48.5 & 60 & Strong CO \\ 223 & 21$_{11,10}$--20$_{11, 9}$$^\star$ & 115~242.178 & 100 & 142 & 52.3 & 60 & Strong CO \\ 225 & 21$_{10,11}$--20$_{10,10}$$^\star$ & 115~253.747 & 100 & 127 & 55.7 & 60 & Strong CO \\ 227 & 21$_{ 9,12}$--20$_{ 9,11}$$^\star$ & 115~270.652 & 100 & 114 & 58.8 & 60 & Strong CO \\ 229 & 21$_{ 8,13}$--20$_{ 8,12}$$^\star$ & 115~295.734 & 100 & 101 & 61.6 & 60 & Strong CO \\ 231 & 21$_{ 7,14}$--20$_{ 7,13}$$^\star$ & 115~334.205 & 100 & 91 & 64.0 & 60 & Strong CO \\ 233 & 21$_{ 6,16}$--20$_{ 6,15}$ & 115~395.797 & 5 & 81 & 66.2 & 60 & \textbf{Group detected}, partial blend with $U$-line \\ 234 & 21$_{ 6,15}$--20$_{ 6,14}$ & 115~395.986 & 5 & 81 & 66.2 & 60 & \textbf{Group detected}, partial blend with $U$-line \\ 235 & 21$_{ 3,19}$--20$_{ 3,18}$$^\star$ & 115~462.453 & 100 & 62 & 70.5 & 60 & Weak \\ 237 & 21$_{ 5,16}$--20$_{ 5,15}$ & 115~506.424 & 100 & 73 & 68.0 & 60 & Weak \\ 238 & 22$_{ 1,22}$--21$_{ 1,21}$ & 115~595.764 & 5 & 59 & 75.2 & 79 & \textbf{Detected}, blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 239 & 21$_{ 4,18}$--20$_{ 4,17}$ & 115~641.781 & 100 & 67 & 69.4 & 79 & Blend with $U$-line \\ 240 & 21$_{ 1,20}$--20$_{ 1,19}$ & 115~778.715 & 100 & 57 & 71.6 & 79 & Blend with CH$_3$OCH$_3$ \\ 241 & 21$_{ 4,17}$--20$_{ 4,16}$ & 115~789.775 & 5 & 67 & 69.4 & 79 & Weak \\ 242 & 22$_{ 0,22}$--21$_{ 0,21}$ & 115~819.018 & 100 & 59 & 75.2 & 79 & Weak \\ \hline 243 & 26$_{ 1,26}$--25$_{ 1,25}$ & 136~272.994 & 100 & 83 & 88.9 & 28 & Blend with HC$_3$N, $\varv_4$ = 1 and CH$_3$OCHO \\ 244 & 26$_{ 0,26}$--25$_{ 0,25}$ & 136~369.733 & 100 & 83 & 88.9 & 28 & Blend with $U$-line \\ 245 & 25$_{ 1,24}$--24$_{ 1,23}$ & 136~400.164 & 100 & 81 & 85.2 & 28 & Blend with HC$^{13}$CCN, $\varv_7$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ \hline 246 & 27$_{ 2,26}$--26$_{ 2,25}$ & 145~476.697 & 100 & 94 & 91.9 & 25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and O$^{13}$CS \\ \hline 247 & 28$_{ 5,24}$--27$_{ 5,23}$ & 154~303.763 & 50 & 118 & 93.0 & 112 & Blend with C$_2$H$_5$OH and CH$_3$OCH$_3$ \\ 248 & 28$_{ 5,23}$--27$_{ 5,22}$ & 154~393.012 & 50 & 118 & 93.0 & 112 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 \\ 249 & 28$_{ 4,25}$--27$_{ 4,24}$ & 154~410.681 & 50 & 111 & 94.1 & 112 & Strong HNCO and CH$_3$OH \\ \hline 250 & 31$_{ 1,30}$--30$_{ 2,29}$ & 163~397.978 & 100 & 124 & 9.6 & 38 & Blend with C$_2$H$_5$CN and CH$_3$COOH \\ \hline 251 & 31$_{ 2,30}$--30$_{ 2,29}$ & 166~330.213 & 100 & 124 & 105.7 & 66 & Blend with $^{13}$CH$_3$CH$_2$CN and $U$-lines \\ \hline 252 & 33$_{ 1,33}$--32$_{ 0,32}$ & 172~468.973 & 100 & 134 & 14.3 & 44 & Strong C$_2$H$_5$CN and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 253 & 31$_{ 4,27}$--30$_{ 4,26}$ & 172~707.869 & 100 & 135 & 104.6 & 44 & Blend with H$^{13}$CN in absorption and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \hline 254 & 32$_{ 7,26}$--31$_{ 7,25}$ & 176~045.797 & 4 & 166 & 104.5 & 365 & Noisy \\ 255 & 32$_{ 7,25}$--31$_{ 7,24}$ & 176~046.676 & 4 & 166 & 104.5 & 365 & Noisy \\ 256 & 32$_{ 6,27}$--31$_{ 6,26}$ & 176~266.224 & 100 & 157 & 105.9 & 365 & Noisy \\ 257 & 32$_{ 6,26}$--31$_{ 6,25}$ & 176~285.887 & 100 & 157 & 105.9 & 365 & Noisy \\ \hline %&&&&&&& \\[-8pt] 258 & 38$_{ 1,37}$--37$_{ 2,36}$ & 201~872.699 & 100 & 185 & 13.2 & 138 & Strong $^{13}$CH$_3$CH$_2$CN \\ 259 & 53$_{ 2,51}$--53$_{ 1,52}$ & 201~925.976 & 100 & 370 & 6.7 & 138 & Strong CH$_2$CO \\ 260 & 36$_{ 4,32}$--35$_{ 4,31}$ & 201~931.928 & 100 & 179 & 122.0 & 138 & Strong CH$_2$CO \\ 261 & 36$_{ 3,33}$--35$_{ 3,32}$ & 202~388.460 & 100 & 175 & 122.6 & 108 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 262 & 53$_{ 3,51}$--53$_{ 2,52}$ & 202~394.525 & 28 & 370 & 6.7 & 108 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 263 & 62$_{ 5,58}$--62$_{ 3,59}$ & 202~561.279 & 17 & 524 & 1.4 & 108 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 264 & 38$_{ 2,37}$--37$_{ 2,36}$ & 202~563.884 & 100 & 185 & 129.7 & 108 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 265 & 38$_{ 1,37}$--37$_{ 1,36}$ & 202~730.394 & 100 & 185 & 129.7 & 108 & Blend with CH$_3$OCH$_3$ and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 266 & 37$_{23,14}$--36$_{23,13}$$^\star$ & 203~008.778 & 28 & 556 & 77.9 & 138 & Blend with $U$-line \\ 268 & 37$_{22,15}$--36$_{22,14}$$^\star$ & 203~008.823 & 19 & 523 & 82.0 & 138 & Blend with $U$-line \\ 270 & 37$_{24,13}$--36$_{24,12}$$^\star$ & 203~009.542 & 40 & 589 & 73.5 & 138 & Blend with $U$-line \\ 272 & 37$_{21,16}$--36$_{21,15}$$^\star$ & 203~009.945 & 13 & 492 & 86.0 & 138 & Blend with $U$-line \\ 274 & 37$_{25,12}$--36$_{25,11}$$^\star$ & 203~010.874 & 56 & 624 & 69.0 & 138 & Blend with $U$-line \\ 276 & 37$_{20,17}$--36$_{20,16}$$^\star$ & 203~012.456 & 9 & 463 & 89.8 & 138 & Blend with $U$-line \\ 278 & 37$_{26,11}$--36$_{26,10}$$^\star$ & 203~012.555 & 77 & 661 & 64.2 & 138 & Blend with $U$-line \\ 280 & 37$_{27,10}$--36$_{27, 9}$$^\star$ & 203~014.377 & 104 & 699 & 59.3 & 138 & Blend with $U$-line \\ \hline 282 & 37$_{28, 9}$--36$_{28, 8}$$^\star$ & 203~016.140 & 138 & 738 & 54.2 & 138 & Blend with $U$-line \\ 284 & 37$_{19,18}$--36$_{19,17}$$^\star$ & 203~016.766 & 100 & 435 & 93.4 & 138 & Blend with $U$-line \\ 286 & 37$_{29, 8}$--36$_{29, 7}$$^\star$ & 203~017.650 & 181 & 779 & 48.9 & 138 & Blend with $U$-line \\ 288 & 37$_{18,19}$--36$_{18,18}$$^\star$ & 203~023.193 & 6 & 408 & 96.9 & 138 & Blend with CH$_3$OCH$_3$ \\ 290 & 37$_{17,20}$--36$_{17,19}$$^\star$ & 203~032.356 & 100 & 383 & 100.1 & 138 & Blend with CH$_3$OCH$_3$ and CH$_3$$^{13}$CN, $\varv_8$ = 1 \\ 292 & 37$_{16,21}$--36$_{16,20}$$^\star$ & 203~045.040 & 100 & 360 & 103.2 & 138 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 294 & 37$_{15,22}$--36$_{15,21}$$^\star$ & 203~062.173 & 100 & 337 & 106.1 & 138 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 296 & 37$_{14,23}$--36$_{14,22}$$^\star$ & 203~085.040 & 100 & 316 & 108.7 & 138 & Blend with CH$_3$$^{13}$CH$_2$CN \\ 298 & 37$_{ 2,35}$--36$_{ 2,34}$ & 203~093.256 & 100 & 181 & 126.0 & 138 & Blend with H$^{13}$CCCN, $\varv_6$ = 1 \\ 299 & 37$_{13,24}$--36$_{13,23}$$^\star$ & 203~115.417 & 100 & 297 & 111.2 & 138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 301 & 37$_{12,25}$--36$_{12,24}$$^\star$ & 203~155.887 & 100 & 279 & 113.6 & 138 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 303 & 37$_{11,26}$--36$_{11,25}$$^\star$ & 203~210.265 & 100 & 263 & 115.7 & 138 & Blend with $U$-line \\ 305 & 39$_{ 0,39}$--38$_{ 1,38}$ & 203~277.722 & 100 & 187 & 17.2 & 161 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 306 & 37$_{10,27}$--36$_{10,26}$$^\star$ & 203~284.465 & 100 & 247 & 117.6 & 161 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and $U$-line \\ 308 & 39$_{ 1,39}$--38$_{ 1,38}$ & 203~293.314 & 100 & 187 & 133.5 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 309 & 39$_{ 0,39}$--38$_{ 0,38}$ & 203~297.717 & 100 & 187 & 133.5 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 310 & 39$_{ 1,39}$--38$_{ 0,38}$ & 203~313.274 & 100 & 187 & 17.2 & 161 & Blend with $U$-line \\ 311 & 37$_{ 9,29}$--36$_{ 9,28}$$^\star$ & 203~387.942 & 4 & 234 & 119.4 & 161 & Strong C$_2$H$_5$CN, CH$_3$OCH$_3$, and SO$_2$ \\ 313 & 7$_{ 6, 2}$-- 6$_{ 5, 1}$$^\star$ & 203~409.735 & 13 & 24 & 2.7 & 161 & Strong C$_2$H$_5$CN, CH$_3$OCH$_3$, and $^{13}$CH$_2$CHCN \\ 315 & 38$_{ 2,37}$--37$_{ 1,36}$ & 203~421.857 & 4 & 185 & 13.2 & 161 & Strong CH$_3$OCH$_3$ and $^{13}$CH$_2$CHCN \\ 316 & 37$_{ 8,30}$--36$_{ 8,29}$ & 203~536.955 & 4 & 222 & 121.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and $^{13}$CH$_2$CHCN \\ 317 & 37$_{ 8,29}$--36$_{ 8,28}$ & 203~537.200 & 4 & 222 & 121.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and $^{13}$CH$_2$CHCN \\ 318 & 37$_{ 7,31}$--36$_{ 7,30}$ & 203~760.083 & 100 & 211 & 122.4 & 364 & Blend with $U$-line \\ 319 & 37$_{ 7,30}$--36$_{ 7,29}$ & 203~765.767 & 100 & 211 & 122.4 & 364 & Blend with C$_3$H$_7$CN and $^{13}$CH$_2$CHCN \\ 320 & 37$_{ 4,34}$--36$_{ 4,33}$ & 203~781.525 & 4 & 188 & 125.4 & 364 & Blend with $^{13}$CH$_2$CHCN and $U$-line \\ 321 & 18$_{ 4,14}$--17$_{ 3,15}$ & 203~899.881 & 11 & 47 & 2.8 & 364 & Blend with C$_3$H$_7$CN and $U$-line \\ 322 & 37$_{ 6,32}$--36$_{ 6,31}$ & 204~086.275 & 100 & 202 & 123.6 & 364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 323 & 34$_{ 3,32}$--33$_{ 2,31}$ & 204~129.239 & 11 & 153 & 7.0 & 316 & Blend with $^{34}$SO$_2$ \\ 324 & 37$_{ 6,31}$--36$_{ 6,30}$ & 204~178.927 & 100 & 202 & 123.6 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line? \\ 325 & 37$_{ 5,33}$--36$_{ 5,32}$ & 204~364.928 & 4 & 194 & 124.6 & 316 & Blend with CH$_3$CH$_3$CO \\ 326 & 82$_{ 8,75}$--81$_{ 9,72}$ & 204~369.553 & 82 & 938 & 5.1 & 316 & Blend with CH$_3$CH$_3$CO and SO$_2$ \\ \hline 327 & 75$_{ 8,67}$--74$_{ 9,66}$ & 205~281.393 & 47 & 792 & 5.8 & 100 & Blend with SO$_2$ \\ 328 & 37$_{ 5,32}$--36$_{ 5,31}$ & 205~282.240 & 100 & 194 & 124.6 & 100 & Blend with SO$_2$ \\ 329 & 13$_{ 5, 9}$--12$_{ 4, 8}$ & 206~264.566 & 12 & 32 & 2.8 & 280 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 330 & 13$_{ 5, 8}$--12$_{ 4, 9}$ & 206~270.541 & 12 & 32 & 2.8 & 280 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 331 & 38$_{ 3,36}$--37$_{ 3,35}$ & 206~596.942 & 100 & 191 & 129.3 & 106 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 332 & 19$_{ 4,16}$--18$_{ 3,15}$ & 206~607.866 & 11 & 52 & 2.9 & 106 & Strong C$_2$H$_5$CN \\ 333 & 35$_{ 3,33}$--34$_{ 2,32}$ & 207~085.257 & 11 & 162 & 7.5 & 117 & Strong C$_2$H$_5$CN \\ 334 & 39$_{ 1,38}$--38$_{ 2,37}$ & 207~168.207 & 4 & 195 & 13.7 & 117 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 335 & 39$_{ 2,38}$--38$_{ 2,37}$ & 207~723.987 & 100 & 195 & 133.1 & 282 & Blend with $U$-line and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 336 & 37$_{ 4,33}$--36$_{ 4,32}$ & 207~774.900 & 4 & 189 & 125.5 & 282 & Blend with C$_2$H$_5$OH \\ 337 & 37$_{ 3,34}$--36$_{ 3,33}$ & 207~820.202 & 100 & 185 & 126.0 & 173 & Blend with C$_3$H$_7$CN and C$_2$H$_5$OH \\ 338 & 39$_{ 1,38}$--38$_{ 1,37}$ & 207~859.555 & 4 & 195 & 133.1 & 173 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 339 & 38$_{ 2,36}$--37$_{ 2,35}$ & 208~144.350 & 100 & 191 & 129.4 & 173 & Blend with CH$_2$CH$^{13}$CN and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 340 & 39$_{ 2,38}$--38$_{ 1,37}$ & 208~415.332 & 4 & 195 & 13.7 & 168 & Strong C$_2$H$_5$CN \\ 341 & 40$_{ 0,40}$--39$_{ 1,39}$ & 208~431.560 & 5 & 197 & 17.7 & 168 & Strong C$_2$H$_5$CN \\ 342 & 40$_{ 1,40}$--39$_{ 1,39}$ & 208~443.521 & 100 & 197 & 137.0 & 168 & Strong C$_2$H$_5$CN \\ 343 & 40$_{ 0,40}$--39$_{ 0,39}$ & 208~447.014 & 100 & 197 & 137.0 & 168 & Strong C$_2$H$_5$CN \\ 344 & 40$_{ 1,40}$--39$_{ 0,39}$ & 208~459.081 & 5 & 197 & 17.7 & 168 & Strong C$_2$H$_5$CN \\ 345 & 38$_{23,15}$--37$_{23,14}$$^\star$ & 208~493.011 & 28 & 565 & 82.6 & 168 & Strong C$_2$H$_5$CN \\ 347 & 38$_{24,14}$--37$_{24,13}$$^\star$ & 208~493.410 & 41 & 599 & 78.3 & 168 & Strong C$_2$H$_5$CN \\ 349 & 38$_{22,16}$--37$_{22,15}$$^\star$ & 208~493.496 & 19 & 533 & 86.6 & 168 & Strong C$_2$H$_5$CN \\ 351 & 38$_{25,13}$--37$_{25,12}$$^\star$ & 208~494.438 & 57 & 634 & 73.9 & 168 & Strong C$_2$H$_5$CN \\ 353 & 38$_{21,17}$--37$_{21,16}$$^\star$ & 208~495.153 & 13 & 502 & 90.5 & 168 & Strong C$_2$H$_5$CN \\ 355 & 38$_{26,12}$--37$_{26,11}$$^\star$ & 208~495.863 & 79 & 671 & 69.3 & 168 & Strong C$_2$H$_5$CN \\ 357 & 38$_{27,11}$--37$_{27,10}$$^\star$ & 208~497.466 & 107 & 709 & 64.5 & 168 & Strong C$_2$H$_5$CN \\ 359 & 38$_{20,18}$--37$_{20,17}$$^\star$ & 208~498.313 & 9 & 473 & 94.2 & 168 & Strong C$_2$H$_5$CN \\ 361 & 38$_{28,10}$--37$_{28, 9}$$^\star$ & 208~499.037 & 142 & 748 & 59.6 & 168 & Strong C$_2$H$_5$CN \\ 363 & 38$_{29, 9}$--37$_{29, 8}$$^\star$ & 208~500.372 & 185 & 789 & 54.4 & 168 & Strong C$_2$H$_5$CN \\ 365 & 38$_{19,19}$--37$_{19,18}$$^\star$ & 208~503.415 & 100 & 445 & 97.8 & 168 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 367 & 38$_{18,20}$--37$_{18,19}$$^\star$ & 208~510.857 & 100 & 418 & 101.1 & 168 & Blend with C$_2$H$_5$OH and C$_2$H$_3$CN \\ 369 & 38$_{17,21}$--37$_{17,20}$$^\star$ & 208~521.187 & 100 & 393 & 104.3 & 168 & Blend with C$_2$H$_5$OH \\ 371 & 38$_{16,22}$--37$_{16,21}$$^\star$ & 208~535.402 & 100 & 369 & 107.2 & 168 & Blend with C$_2$H$_5$OH \\ 373 & 38$_{15,23}$--37$_{15,22}$$^\star$ & 208~554.387 & 100 & 347 & 110.0 & 168 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ \hline 375 & 38$_{14,24}$--37$_{14,23}$$^\star$ & 208~579.484 & 100 & 326 & 112.6 & 168 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ 377 & 38$_{13,25}$--37$_{13,24}$$^\star$ & 208~612.841 & 4 & 307 & 115.1 & 168 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 379 & 38$_{12,26}$--37$_{12,25}$$^\star$ & 208~657.029 & 4 & 289 & 117.3 & 168 & Blend with CH$_3$OCHO and CH$_3$CH$_3$CO \\ 381 & 38$_{11,27}$--37$_{11,26}$$^\star$ & 208~716.183 & 100 & 272 & 119.4 & 160 & Blend with CH$_3$OCHO \\ 383 & 38$_{10,29}$--37$_{10,28}$$^\star$ & 208~796.910 & 4 & 257 & 121.3 & 160 & Blend with CH$_2$CH$^{13}$CN and CH$_3$OCHO \\ 385 & 8$_{ 6, 3}$-- 7$_{ 5, 2}$$^\star$ & 208~895.157 & 13 & 25 & 2.8 & 160 & Strong CH$_3$OCHO and C$_2$H$_3$CN \\ 387 & 38$_{ 8,31}$--37$_{ 8,30}$ & 209~071.357 & 4 & 231 & 124.6 & 160 & Strong C$_2$H$_3$CN \\ 388 & 38$_{ 8,30}$--37$_{ 8,29}$ & 209~071.723 & 4 & 231 & 124.6 & 160 & Strong C$_2$H$_3$CN \\ 389 & 38$_{ 4,35}$--37$_{ 4,34}$ & 209~201.665 & 4 & 197 & 128.8 & 58 & Strong H$_2$CS and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 390 & 38$_{ 7,32}$--37$_{ 7,31}$ & 209~313.439 & 4 & 221 & 125.9 & 58 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 391 & 38$_{ 7,31}$--37$_{ 7,30}$ & 209~321.499 & 4 & 221 & 125.9 & 58 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 392 & 19$_{ 4,15}$--18$_{ 3,16}$ & 209~541.953 & 11 & 52 & 2.9 & 58 & Blend with C$_2$H$_3$CN \\ 393 & 38$_{ 6,33}$--37$_{ 6,32}$ & 209~660.931 & 4 & 212 & 127.1 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1, HC$^{13}$CCN, $\varv_7$ = 2, and \\ & & & & & & & HCC$^{13}$CN, $\varv_7$ = 2 \\ 394 & 38$_{ 6,32}$--37$_{ 6,31}$ & 209~783.452 & 100 & 212 & 127.1 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 395 & 38$_{ 5,34}$--37$_{ 5,33}$ & 209~918.890 & 4 & 204 & 128.1 & 45 & Strong CH$_3$OCHO \\ 396 & 36$_{ 3,34}$--35$_{ 2,33}$ & 210~218.541 & 10 & 172 & 8.0 & 64 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 397 & 40$_{ 2,38}$--39$_{ 3,37}$ & 210~705.222 & 6 & 211 & 10.0 & 37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 and $U$-line \\ 398 & 38$_{ 5,33}$--37$_{ 5,32}$ & 211~044.215 & 100 & 204 & 128.1 & 33 & Blend with C$_2$H$_5$CN \\ 399 & 20$_{ 4,17}$--19$_{ 3,16}$ & 211~264.158 & 11 & 57 & 3.0 & 33 & Strong CH$_3$OCHO \\ 400 & 14$_{ 5,10}$--13$_{ 4, 9}$ & 211~717.651 & 12 & 35 & 2.9 & 47 & Strong C$_2$H$_3$CN \\ 401 & 14$_{ 5, 9}$--13$_{ 4,10}$ & 211~728.949 & 12 & 35 & 2.9 & 47 & Strong C$_2$H$_3$CN \\ 402 & 39$_{ 3,37}$--38$_{ 3,36}$ & 211~830.506 & 100 & 201 & 132.7 & 47 & Blend with NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ 403 & 51$_{ 1,50}$--51$_{ 0,51}$ & 211~833.125 & 40 & 333 & 3.3 & 47 & Blend with NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ 404 & 40$_{ 1,39}$--39$_{ 2,38}$ & 212~435.627 & 4 & 205 & 14.2 & 36 & Strong NH$_2$CHO and CH$_3$OCHO \\ 405 & 40$_{ 2,39}$--39$_{ 2,38}$ & 212~881.373 & 100 & 205 & 136.5 & 99 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 \\ 406 & 40$_{ 1,39}$--39$_{ 1,38}$ & 212~991.436 & 100 & 205 & 136.5 & 99 & Blend with $^{34}$SO$_2$ and $U$-line? \\ 407 & 39$_{ 2,37}$--38$_{ 2,36}$ & 213~191.655 & 100 & 201 & 132.8 & 48 & Blend with CH$_2$(OH)CHO \\ 408 & 38$_{ 3,35}$--37$_{ 3,34}$ & 213~203.256 & 100 & 195 & 129.4 & 48 & Blend with CH$_2$(OH)CHO \\ 409 & 40$_{ 2,39}$--39$_{ 1,38}$ & 213~437.154 & 5 & 205 & 14.2 & 48 & Blend with C$_2$H$_5$OH and CH$_3$OCH$_3$ \\ 410 & 37$_{ 3,35}$--36$_{ 2,34}$ & 213~536.157 & 9 & 181 & 8.5 & 48 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 411 & 41$_{ 0,41}$--40$_{ 1,40}$ & 213~584.046 & 5 & 207 & 18.2 & 48 & Blend with $^{13}$CH$_2$CHCN \\ 412 & 41$_{ 1,41}$--40$_{ 1,40}$ & 213~593.386 & 100 & 207 & 140.4 & 48 & Partial blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 413 & 41$_{ 0,41}$--40$_{ 0,40}$ & 213~596.056 & 100 & 207 & 140.4 & 48 & Partial blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 414 & 38$_{ 4,34}$--37$_{ 4,33}$ & 213~600.651 & 100 & 199 & 129.0 & 48 & Partial blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 415 & 41$_{ 1,41}$--40$_{ 0,40}$ & 213~605.377 & 5 & 207 & 18.2 & 48 & Partial blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 416 & 39$_{23,16}$--38$_{23,15}$$^\star$ & 213~977.041 & 29 & 575 & 87.2 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 418 & 39$_{24,15}$--38$_{24,14}$$^\star$ & 213~977.045 & 42 & 609 & 83.1 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 420 & 39$_{25,14}$--38$_{25,13}$$^\star$ & 213~977.743 & 59 & 644 & 78.8 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 422 & 39$_{22,17}$--38$_{22,16}$$^\star$ & 213~978.002 & 20 & 543 & 91.2 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 424 & 39$_{26,13}$--38$_{26,12}$$^\star$ & 213~978.888 & 81 & 681 & 74.3 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 426 & 39$_{21,18}$--38$_{21,17}$$^\star$ & 213~980.233 & 13 & 512 & 95.0 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 428 & 39$_{27,12}$--38$_{27,11}$$^\star$ & 213~980.250 & 109 & 719 & 69.7 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 430 & 39$_{28,11}$--38$_{28,10}$$^\star$ & 213~981.610 & 145 & 758 & 64.8 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 432 & 39$_{29,10}$--38$_{29, 9}$$^\star$ & 213~982.754 & 190 & 799 & 59.8 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 434 & 39$_{20,19}$--38$_{20,18}$$^\star$ & 213~984.089 & 9 & 483 & 98.6 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 436 & 39$_{19,20}$--38$_{19,19}$$^\star$ & 213~989.994 & 7 & 455 & 102.0 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 438 & 39$_{18,21}$--38$_{18,20}$$^\star$ & 213~998.464 & 6 & 428 & 105.3 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 440 & 39$_{17,22}$--38$_{17,21}$$^\star$ & 214~010.151 & 5 & 403 & 108.3 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 442 & 39$_{16,24}$--38$_{16,23}$$^\star$ & 214~025.894 & 5 & 379 & 111.3 & 48 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 444 & 39$_{15,24}$--38$_{15,23}$$^\star$ & 214~046.781 & 100 & 357 & 114.0 & 48 & Blend with $^{13}$CH$_3$CN \\ 446 & 39$_{14,25}$--38$_{14,24}$$^\star$ & 214~074.316 & 100 & 336 & 116.5 & 75 & Strong CH$_3$OCH$_3$ and CH$_3$$^{13}$CH$_2$CN \\ 448 & 39$_{13,26}$--38$_{13,25}$$^\star$ & 214~110.717 & 4 & 317 & 118.9 & 75 & Blend with $^{13}$CH$_3$CN \\ 450 & 39$_{12,27}$--38$_{12,26}$$^\star$ & 214~158.803 & 100 & 299 & 121.1 & 75 & Blend with C$_2$H$_5$$^{13}$CN \\ 452 & 39$_{11,28}$--38$_{11,27}$$^\star$ & 214~223.159 & 100 & 282 & 123.1 & 75 & Strong CH$_2$NH and $^{13}$CH$_3$CN \\ 454 & 39$_{10,30}$--38$_{10,29}$$^\star$ & 214~310.764 & 4 & 267 & 125.0 & 75 & Strong $^{13}$CH$_3$CN \\ 456 & 66$_{ 4,62}$--66$_{ 3,63}$ & 214~317.063 & 27 & 591 & 13.5 & 75 & Strong $^{13}$CH$_3$CN \\ 457 & 9$_{ 6, 4}$-- 8$_{ 5, 3}$$^\star$ & 214~379.791 & 13 & 27 & 2.8 & 75 & Strong $^{13}$CH$_3$CN \\ 459 & 39$_{ 9,31}$--38$_{ 9,30}$$^\star$ & 214~432.762 & 4 & 254 & 126.6 & 75 & Blend with CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$OH \\ 461 & 22$_{ 3,19}$--21$_{ 2,20}$ & 214~433.988 & 14 & 63 & 1.7 & 75 & Blend with CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$OH \\ 462 & 65$_{ 5,61}$--65$_{ 4,62}$ & 214~600.532 & 23 & 574 & 13.4 & 75 & Blend with CH$_3$CH$_3$CO \\ 463 & 39$_{ 4,36}$--38$_{ 4,35}$ & 214~605.781 & 4 & 207 & 132.3 & 75 & Blend with CH$_3$CH$_3$CO and CH$_3$$^{13}$CH$_2$CN \\ 464 & 56$_{ 8,49}$--56$_{ 7,50}$ & 214~606.526 & 11 & 457 & 15.7 & 75 & Blend with CH$_3$CH$_3$CO and CH$_3$$^{13}$CH$_2$CN \\ \hline 465 & 39$_{ 8,32}$--38$_{ 8,31}$ & 214~608.530 & 4 & 241 & 128.1 & 75 & Blend with CH$_3$$^{13}$CH$_2$CN \\ 466 & 39$_{ 8,31}$--38$_{ 8,30}$ & 214~609.070 & 4 & 241 & 128.1 & 75 & Blend with CH$_3$$^{13}$CH$_2$CN \\ 467 & 39$_{ 7,33}$--38$_{ 7,32}$ & 214~870.593 & 100 & 231 & 129.5 & 75 & Blend with $^{13}$CH$_3$CN, $\varv_8$ = 1 \\ 468 & 39$_{ 7,32}$--38$_{ 7,31}$ & 214~881.820 & 4 & 231 & 129.5 & 75 & Blend with $^{13}$CH$_2$CHCN \\ 469 & 39$_{ 6,34}$--38$_{ 6,33}$ & 215~238.445 & 100 & 222 & 130.6 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 470 & 20$_{ 4,16}$--19$_{ 3,17}$ & 215~256.547 & 11 & 57 & 2.9 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 471 & 39$_{ 6,33}$--38$_{ 6,32}$ & 215~399.020 & 100 & 222 & 130.6 & 74 & Strong C$_2$H$_5$CN \\ 472 & 39$_{ 5,35}$--38$_{ 5,34}$ & 215~467.027 & 4 & 214 & 131.6 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 473 & 21$_{ 4,18}$--20$_{ 3,17}$ & 215~732.383 & 12 & 62 & 3.0 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 474 & 39$_{ 5,34}$--38$_{ 5,33}$ & 216~832.944 & 100 & 214 & 131.6 & 50 & Strong CH$_3$OCHO \\ 475 & 61$_{ 3,58}$--61$_{ 3,59}$ & 216~833.377 & 28 & 498 & 1.2 & 50 & Strong CH$_3$OCHO \\ 476 & 41$_{ 2,39}$--40$_{ 3,38}$ & 216~942.926 & 5 & 222 & 10.6 & 50 & Strong CH$_3$OH \\ 477 & 38$_{ 3,36}$--37$_{ 2,35}$ & 217~039.712 & 8 & 191 & 9.0 & 50 & Blend with $^{13}$CH$_3$OH and $^{13}$CN \\ 478 & 40$_{ 3,38}$--39$_{ 3,37}$ & 217~052.822 & 100 & 211 & 136.1 & 50 & Blend with $^{13}$CH$_3$OH, $^{13}$CN, and $U$-line \\ 479 & 15$_{ 5,11}$--14$_{ 4,10}$ & 217~159.548 & 12 & 39 & 3.0 & 50 & Blend with CH$_3$OCH$_3$ \\ 480 & 15$_{ 5,10}$--14$_{ 4,11}$ & 217~179.901 & 12 & 39 & 3.0 & 50 & Blend with CH$_3$OCH$_3$ and $U$-line \\ 481 & 41$_{ 1,40}$--40$_{ 2,39}$ & 217~679.824 & 4 & 215 & 14.7 & 50 & Blend with $U$-line \\ \hline 482 & 39$_{ 4,35}$--38$_{ 4,34}$ & 219~402.429 & 4 & 209 & 132.5 & 92 & Strong C$_2$H$_3$CN \\ 483 & 40$_{24,16}$--39$_{24,15}$$^\star$ & 219~460.441 & 43 & 619 & 87.8 & 92 & Strong C$_2$H$_5$CN \\ 485 & 40$_{25,15}$--39$_{25,14}$$^\star$ & 219~460.780 & 60 & 655 & 83.6 & 92 & Strong C$_2$H$_5$CN \\ 487 & 40$_{23,17}$--39$_{23,16}$$^\star$ & 219~460.864 & 30 & 586 & 91.8 & 92 & Strong C$_2$H$_5$CN \\ 489 & 40$_{26,14}$--39$_{26,13}$$^\star$ & 219~461.621 & 83 & 691 & 79.2 & 92 & Strong C$_2$H$_5$CN \\ 491 & 40$_{22,18}$--39$_{22,17}$$^\star$ & 219~462.336 & 20 & 553 & 95.7 & 92 & Strong C$_2$H$_5$CN \\ 493 & 40$_{27,13}$--39$_{27,12}$$^\star$ & 219~462.721 & 112 & 729 & 74.7 & 92 & Strong C$_2$H$_5$CN \\ 495 & 40$_{28,12}$--39$_{28,11}$$^\star$ & 219~463.851 & 149 & 768 & 70.0 & 92 & Strong C$_2$H$_5$CN \\ 497 & 40$_{21,19}$--39$_{21,18}$ & 219~465.183 & 14 & 522 & 99.4 & 92 & Strong C$_2$H$_5$CN \\ 498 & 40$_{21,20}$--39$_{21,19}$ & 219~465.523 & 100 & 522 & 99.4 & 92 & Strong C$_2$H$_5$CN \\ 499 & 40$_{20,20}$--39$_{20,19}$ & 219~469.782 & 10 & 493 & 102.9 & 92 & Strong NH$_2$CN \\ 500 & 40$_{20,21}$--39$_{20,20}$ & 219~469.912 & 100 & 493 & 102.9 & 92 & Strong NH$_2$CN \\ 501 & 40$_{19,21}$--39$_{19,20}$$^\star$ & 219~476.588 & 7 & 465 & 106.3 & 92 & Strong NH$_2$CN \\ 503 & 40$_{18,22}$--39$_{18,21}$ & 219~486.155 & 6 & 438 & 109.4 & 92 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 \\ 504 & 40$_{18,23}$--39$_{18,22}$ & 219~486.310 & 100 & 438 & 109.4 & 92 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 \\ 505 & 40$_{17,23}$--39$_{17,22}$ & 219~499.182 & 5 & 413 & 112.4 & 92 & Strong C$_2$H$_5$CN \\ 506 & 40$_{17,24}$--39$_{17,23}$ & 219~499.329 & 100 & 413 & 112.4 & 92 & Strong C$_2$H$_5$CN \\ 507 & 40$_{16,25}$--39$_{16,24}$$^\star$ & 219~516.573 & 5 & 390 & 115.3 & 92 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 \\ 509 & 40$_{15,25}$--39$_{15,24}$$^\star$ & 219~539.521 & 5 & 367 & 117.9 & 92 & Strong HNCO and HNCO, $\varv_5$ = 1 \\ 511 & 40$_{14,26}$--39$_{14,25}$$^\star$ & 219~569.648 & 5 & 346 & 120.4 & 92 & Strong C$^{18}$O \\ 513 & 67$_{ 4,63}$--67$_{ 3,64}$ & 219~571.157 & 30 & 609 & 13.4 & 92 & Strong C$^{18}$O \\ 514 & 40$_{13,27}$--39$_{13,26}$$^\star$ & 219~609.218 & 5 & 327 & 122.7 & 92 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 and CH$_2$CH$^{13}$CN \\ 516 & 40$_{12,28}$--39$_{12,27}$ & 219~661.381 & 100 & 309 & 124.8 & 92 & Strong HNCO and HC$_3$N, $\varv_7$ = 2 \\ 517 & 40$_{12,29}$--39$_{12,28}$ & 219~661.485 & 5 & 309 & 124.8 & 92 & Strong HNCO and HC$_3$N, $\varv_7$ = 2 \\ 518 & 40$_{11,30}$--39$_{11,29}$$^\star$ & 219~731.290 & 4 & 293 & 126.8 & 92 & Strong HNCO \\ \hline %&&&&&&& \\[-8pt] 520 & 40$_{ 7,34}$--39$_{ 7,33}$ & 220~431.537 & 100 & 241 & 133.0 & 98 & Strong CH$_3$$^{13}$CN \\ 521 & 40$_{ 7,33}$--39$_{ 7,32}$ & 220~446.964 & 100 & 241 & 133.0 & 98 & Blend with $U$-line, uncertain baseline \\ \hline 522 & 41$_{ 7,35}$--40$_{ 7,34}$ & 225~996.244 & 100 & 252 & 136.5 & 278 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 523 & 41$_{ 7,34}$--40$_{ 7,33}$ & 226~017.388 & 100 & 252 & 136.5 & 278 & Blend with $U$-line?, uncertain baseline \\ 524 & 63$_{ 3,60}$--63$_{ 2,61}$ & 226~393.597 & 33 & 530 & 10.0 & 278 & Blend with CN in absorption, C$_2$H$_3$CN, and C$_2$H$_5$OH \\ 525 & 41$_{ 6,36}$--40$_{ 6,35}$ & 226~400.096 & 100 & 243 & 137.6 & 278 & Blend with CN in absorption and C$_2$H$_5$OH \\ 526 & 41$_{ 5,37}$--40$_{ 5,36}$ & 226~540.631 & 4 & 235 & 138.5 & 278 & Blend with CH$_2$NH \\ 527 & 41$_{ 6,35}$--40$_{ 6,34}$ & 226~668.561 & 4 & 243 & 137.6 & 96 & Strong CN absorption \\ 528 & 22$_{ 4,18}$--21$_{ 3,19}$ & 226~986.056 & 11 & 67 & 3.0 & 96 & Strong CN absorption \\ \hline 529 & 42$_{ 3,40}$--41$_{ 3,39}$ & 227~467.207 & 100 & 233 & 143.0 & 85 & Blend with CH$_2$(OH)CHO, CH$_2$CH$^{13}$CN, and C$_3$H$_7$CN \\ 530 & 24$_{ 4,21}$--23$_{ 3,20}$ & 227~801.331 & 12 & 80 & 3.2 & 85 & Strong CH$_3$OH \\ \hline %&&&&&&& \\[-8pt] 531 & 42$_{ 9,34}$--41$_{ 9,33}$$^\star$ & 231~015.633 & 5 & 285 & 137.4 & 183 & Blend with CH$_3$OCHO, H$_2$$^{13}$CS, and $U$-line \\ 533 & 42$_{ 8,35}$--41$_{ 8,34}$ & 231~237.570 & 5 & 273 & 138.8 & 183 & Strong $^{13}$CH$_2$CHCN and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 534 & 42$_{ 8,34}$--41$_{ 8,33}$ & 231~239.195 & 5 & 273 & 138.8 & 183 & Strong $^{13}$CH$_2$CHCN and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 535 & 25$_{ 4,22}$--24$_{ 3,21}$ & 231~328.525 & 13 & 86 & 3.3 & 40 & Blend with CH$_3$CHO and $^{13}$CH$_2$CHCN \\ 536 & 42$_{ 7,36}$--41$_{ 7,35}$ & 231~564.827 & 4 & 262 & 140.1 & 40 & Blend with C$_2$H$_5$OH \\ 537 & 42$_{ 7,35}$--41$_{ 7,34}$ & 231~593.484 & 100 & 263 & 140.1 & 40 & Blend with CH$_3$$^{13}$CH$_2$CN \\ \hline 538 & 43$_{ 3,41}$--42$_{ 3,40}$ & 232~661.017 & 5 & 243 & 146.4 & 19 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 539 & 42$_{ 3,40}$--41$_{ 2,39}$ & 232~789.078 & 6 & 232 & 11.2 & 19 & Strong CH$_3$OH, C$_2$H$_5$CN, and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ \hline %&&&&&&& \\[-8pt] 540 & 43$_{26,17}$--42$_{26,16}$$^\star$ & 235~907.995 & 89 & 723 & 93.6 & 131 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 \\ 542 & 43$_{27,16}$--42$_{27,15}$$^\star$ & 235~908.172 & 120 & 761 & 89.3 & 131 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 \\ \hline 544 & 43$_{25,18}$--42$_{25,17}$$^\star$ & 235~908.220 & 65 & 687 & 97.6 & 131 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 \\ 546 & 43$_{24,19}$--42$_{24,18}$$^\star$ & 235~909.130 & 46 & 652 & 101.6 & 131 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 \\ 548 & 43$_{23,20}$--42$_{23,19}$$^\star$ & 235~911.029 & 32 & 618 & 105.3 & 131 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 \\ 550 & 43$_{22,22}$--42$_{22,21}$$^\star$ & 235~914.238 & 100 & 586 & 108.9 & 131 & Strong CH$_3$OCHO \\ 552 & 43$_{21,22}$--42$_{21,21}$$^\star$ & 235~919.208 & 15 & 555 & 112.3 & 131 & Strong CH$_3$OCHO \\ 554 & 43$_{20,23}$--42$_{20,22}$ & 235~926.335 & 10 & 525 & 115.6 & 131 & Strong CH$_3$OCHO, C$_2$H$_3$CN, $\varv_{15}$ = 1, and $^{13}$CH$_3$OH \\ 555 & 43$_{20,24}$--42$_{20,23}$ & 235~926.477 & 100 & 525 & 115.6 & 131 & Strong CH$_3$OCHO, C$_2$H$_3$CN, $\varv_{15}$ = 1, and $^{13}$CH$_3$OH \\ 556 & 43$_{19,24}$--42$_{19,23}$$^\star$ & 235~936.190 & 8 & 497 & 118.7 & 131 & Strong CH$_3$OCHO, C$_2$H$_3$CN, $\varv_{15}$ = 1, and $^{13}$CH$_3$OH \\ 558 & 43$_{18,25}$--42$_{18,24}$$^\star$ & 235~949.452 & 6 & 471 & 121.6 & 131 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1, $^{13}$CH$_3$OH, and C$_2$H$_5$$^{13}$CN \\ 560 & 43$_{17,26}$--42$_{17,25}$$^\star$ & 235~966.980 & 6 & 446 & 124.4 & 131 & Strong $^{13}$CH$_3$OH and SiS \\ 562 & 43$_{16,27}$--42$_{16,26}$$^\star$ & 235~989.879 & 100 & 422 & 127.1 & 131 & Strong $^{13}$CH$_3$OH \\ \hline 564 & 43$_{13,31}$--42$_{13,30}$$^\star$ & 236~108.561 & 100 & 359 & 134.0 & 37 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and NH$_2$CH$_2$CN \\ 566 & 43$_{12,31}$--42$_{12,30}$$^\star$ & 236~174.724 & 5 & 342 & 136.0 & 37 & Blend with $^{13}$CH$_3$CH$_2$CN and CH$_2$$^{13}$CHCN \\ 568 & 43$_{11,32}$--42$_{11,31}$$^\star$ & 236~262.562 & 100 & 325 & 137.9 & 37 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and NH$_2$CH$_2$CN \\ 570 & 13$_{ 6, 8}$--12$_{ 5, 7}$$^\star$ & 236~300.957 & 13 & 39 & 3.1 & 37 & Strong CH$_2$$^{13}$CHCN and C$_2$H$_5$OH \\ 572 & 65$_{ 4,62}$--65$_{ 3,63}$ & 236~306.402 & 38 & 563 & 10.0 & 37 & Strong $^{13}$CH$_3$CH$_2$CN \\ 573 & 43$_{10,33}$--42$_{10,32}$$^\star$ & 236~381.716 & 100 & 310 & 139.5 & 37 & Blend with CH$_2$$^{13}$CHCN \\ 575 & 43$_{ 9,35}$--42$_{ 9,34}$ & 236~547.689 & 5 & 296 & 141.0 & 37 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 576 & 43$_{ 9,34}$--42$_{ 9,33}$ & 236~547.789 & 5 & 296 & 141.0 & 37 & Blend with $^{13}$CH$_3$CH$_2$CN \\ \hline 577 & 20$_{ 5,16}$--19$_{ 4,15}$ & 244~080.041 & 12 & 62 & 3.4 & 46 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 578 & 20$_{ 5,15}$--19$_{ 4,16}$ & 244~307.468 & 12 & 62 & 3.4 & 46 & Blend with CH$_3$OH and C$_2$H$_5$$^{13}$CN \\ 579 & 9$_{ 7, 2}$-- 8$_{ 6, 3}$$^\star$ & 244~368.037 & 13 & 35 & 3.2 & 46 & Blend with C$_2$H$_5$CN \\ 581 & 47$_{ 0,47}$--46$_{ 1,46}$ & 244~480.036 & 7 & 272 & 21.2 & 91 & Blend with $^{34}$SO$_2$ \\ 582 & 47$_{ 1,47}$--46$_{ 1,46}$ & 244~482.013 & 7 & 272 & 161.0 & 91 & Blend with $^{34}$SO$_2$ \\ 583 & 47$_{ 0,47}$--46$_{ 0,46}$ & 244~482.600 & 7 & 272 & 161.0 & 91 & Blend with $^{34}$SO$_2$ \\ 584 & 47$_{ 1,47}$--46$_{ 0,46}$ & 244~484.577 & 7 & 272 & 21.2 & 91 & Blend with $^{34}$SO$_2$ \\ 585 & 44$_{ 3,41}$--43$_{ 3,40}$ & 244~500.437 & 5 & 260 & 149.8 & 91 & Blend with CH$_3$OCH$_3$ \\ 586 & 30$_{ 4,27}$--29$_{ 3,26}$ & 245~163.234 & 16 & 123 & 3.8 & 72 & Strong HCC$^{13}$CN, $\varv_7$ = 1 \\ 587 & 25$_{ 4,21}$--24$_{ 3,22}$ & 245~723.730 & 11 & 86 & 3.0 & 53 & Blend with CH$_2$$^{13}$CHCN \\ \hline 588 & 45$_{17,28}$--44$_{17,27}$$^\star$ & 246~946.103 & 100 & 469 & 132.3 & 68 & Strong C$_2$H$_3$CN \\ 590 & 45$_{16,29}$--44$_{16,28}$$^\star$ & 246~973.216 & 6 & 445 & 134.8 & 68 & Blend with C$_2$H$_5$CN and CH$_3$COOH \\ 592 & 45$_{15,30}$--44$_{15,29}$$^\star$ & 247~008.106 & 100 & 423 & 137.2 & 68 & Strong C$_2$H$_3$CN \\ 594 & 45$_{14,31}$--44$_{14,30}$$^\star$ & 247~053.206 & 100 & 402 & 139.4 & 68 & Strong CH$_3$OCHO \\ 596 & 45$_{13,33}$--44$_{13,32}$$^\star$ & 247~111.643 & 100 & 382 & 141.5 & 68 & Strong HC$_3$N, $\varv_7$ = 2 and CH$_3$OCHO \\ 598 & 45$_{12,34}$--44$_{12,33}$$^\star$ & 247~188.187 & 5 & 364 & 143.4 & 68 & Blend with C$_2$H$_3$CN, CH$_3$CH$_3$CO, $\varv_t$ = 1 and CH$_3$COOH \\ 600 & 15$_{ 6,10}$--14$_{ 5, 9}$ & 247~242.428 & 12 & 46 & 3.3 & 68 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 and CH$_3$$^{13}$CH$_2$CN \\ 601 & 15$_{ 6, 9}$--14$_{ 5,10}$ & 247~242.754 & 12 & 46 & 3.3 & 68 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 and CH$_3$$^{13}$CH$_2$CN \\ 602 & 31$_{ 4,28}$--30$_{ 3,27}$ & 247~248.744 & 16 & 131 & 3.9 & 68 & Strong C$_2$H$_3$CN, $\varv_{15}$ = 1 and CH$_3$$^{13}$CH$_2$CN \\ 603 & 45$_{11,35}$--44$_{11,34}$$^\star$ & 247~289.755 & 5 & 348 & 145.1 & 68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 605 & 56$_{ 9,48}$--56$_{ 8,49}$ & 247~291.902 & 12 & 468 & 15.2 & 68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 606 & 45$_{10,36}$--44$_{10,35}$$^\star$ & 247~427.317 & 5 & 333 & 146.7 & 68 & Blend with H$^{13}$CCCN, $\varv_6$ = 1 and t-HCOOH \\ \hline 608 & 46$_{ 4,43}$--45$_{ 4,42}$ & 251~970.749 & 5 & 285 & 156.4 & 42 & Blend with CH$_3$OCH$_3$ and CH$_3$OH \\ 609 & 45$_{ 5,40}$--44$_{ 5,39}$ & 252~031.184 & 100 & 281 & 152.5 & 42 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 610 & 46$_{21,25}$--45$_{21,24}$ & 252~371.919 & 16 & 590 & 124.9 & 42 & Strong $^{13}$CH$_3$OH \\ 611 & 46$_{21,26}$--45$_{21,25}$ & 252~372.057 & 100 & 590 & 124.9 & 42 & Strong $^{13}$CH$_3$OH \\ 612 & 46$_{20,26}$--45$_{20,25}$ & 252~382.043 & 11 & 560 & 128.0 & 42 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 613 & 46$_{20,27}$--45$_{20,26}$ & 252~382.165 & 100 & 560 & 128.0 & 42 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 614 & 46$_{19,27}$--45$_{19,26}$ & 252~395.494 & 8 & 532 & 130.9 & 42 & Strong NH$_2$CHO and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 615 & 46$_{19,28}$--45$_{19,27}$ & 252~395.596 & 100 & 532 & 130.9 & 42 & Strong NH$_2$CHO and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 616 & 26$_{ 4,22}$--25$_{ 3,23}$ & 252~401.668 & 100 & 92 & 3.0 & 42 & Strong NH$_2$CHO and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 617 & 46$_{18,28}$--45$_{18,27}$$^\star$ & 252~413.093 & 7 & 506 & 133.6 & 42 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and $U$-line \\ 619 & 46$_{17,30}$--45$_{17,29}$$^\star$ & 252~435.886 & 6 & 480 & 136.2 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 621 & 46$_{16,31}$--45$_{16,30}$ & 252~465.229 & 6 & 457 & 138.7 & 42 & Strong $U$-line \\ 622 & 46$_{16,30}$--45$_{16,29}$ & 252~465.379 & 100 & 457 & 138.7 & 42 & Strong $U$-line \\ 623 & 93$_{ 7,86}$--93$_{ 6,87}$ & 252~466.454 & 90 & 1191 & 24.1 & 42 & Strong $U$-line \\ \hline 624 & 34$_{ 9,25}$--34$_{ 8,26}$ & 253~951.681 & 13 & 203 & 8.3 & 32 & Strong C$_2$H$_5$CN and SO$_2$ \\ 625 & 34$_{ 9,26}$--34$_{ 8,27}$ & 253~951.859 & 13 & 203 & 8.3 & 32 & Strong C$_2$H$_5$CN and SO$_2$ \\ 626 & 46$_{ 7,39}$--45$_{ 7,38}$ & 253~965.040 & 5 & 309 & 154.1 & 32 & Strong NS \\ 627 & 48$_{ 1,47}$--47$_{ 2,46}$ & 254~009.911 & 6 & 293 & 18.1 & 32 & Strong CH$_3$OH in absorption \\ 628 & 35$_{ 4,32}$--34$_{ 3,31}$ & 254~021.313 & 17 & 166 & 4.6 & 32 & Strong CH$_3$OH in absorption \\ 629 & 46$_{ 5,42}$--45$_{ 5,41}$ & 254~033.953 & 5 & 292 & 155.8 & 32 & Blend with HC$^{13}$CCN, $\varv_6$ = 1 and C$_2$H$_5$OH \\ 630 & 33$_{ 9,24}$--33$_{ 8,25}$ & 254~066.133 & 13 & 194 & 8.0 & 32 & Blend with C$_2$H$_5$CN \\ 631 & 33$_{ 9,25}$--33$_{ 8,26}$ & 254~066.244 & 13 & 194 & 8.0 & 32 & Blend with C$_2$H$_5$CN \\ \hline 632 & 48$_{ 2,47}$--47$_{ 2,46}$ & 254~081.225 & 6 & 293 & 163.9 & 32 & Strong CH$_3$CH$_3$CO and C$_2$H$_5$CN \\ 633 & 86$_{ 6,80}$--86$_{ 5,81}$ & 254~082.060 & 64 & 1013 & 20.4 & 32 & Strong CH$_3$CH$_3$CO and C$_2$H$_5$CN \\ 634 & 48$_{ 1,47}$--47$_{ 1,46}$ & 254~100.087 & 6 & 293 & 164.0 & 32 & Blend with SiS \\ 635 & 32$_{ 9,23}$--32$_{ 8,24}$$^\star$ & 254~170.380 & 13 & 185 & 7.7 & 32 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 637 & 48$_{ 2,47}$--47$_{ 1,46}$ & 254~171.401 & 6 & 293 & 18.1 & 32 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 638 & 31$_{ 9,22}$--31$_{ 8,23}$$^\star$ & 254~265.069 & 13 & 177 & 7.4 & 32 & Strong HCC$^{13}$CN, $\varv_7$ = 1 and SO$_2$ \\ 640 & 46$_{ 6,41}$--45$_{ 6,40}$ & 254~311.469 & 5 & 300 & 155.1 & 32 & Strong C$_2$H$_5$CN and $^{13}$CH$_3$CH$_2$CN \\ 641 & 30$_{ 9,21}$--30$_{ 8,22}$$^\star$ & 254~350.818 & 13 & 169 & 7.2 & 32 & Strong NH$_2$$^{13}$CHO \\ 643 & 89$_{ 8,82}$--89$_{ 7,83}$ & 254~352.623 & 46 & 1095 & 23.7 & 32 & Strong NH$_2$$^{13}$CHO \\ 644 & 29$_{ 9,20}$--29$_{ 8,21}$$^\star$ & 254~428.220 & 13 & 161 & 6.9 & 32 & Strong CH$_3$OH \\ \hline 646 & 11$_{ 7, 5}$--10$_{ 6, 4}$$^\star$ & 255~337.696 & 13 & 40 & 3.4 & 217 & Strong HC$_3$N, $\varv_7$ = 1 \\ 648 & 47$_{ 3,45}$--46$_{ 2,44}$ & 255~440.594 & 6 & 289 & 13.8 & 217 & Strong CH$_2$CH$^{13}$CN \\ 649 & 36$_{ 4,33}$--35$_{ 3,32}$ & 255~457.676 & 18 & 175 & 4.9 & 217 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_2$$^{13}$CHCN \\ \hline 650 & 47$_{18,29}$--46$_{18,28}$$^\star$ & 257~901.052 & 7 & 518 & 137.6 & 1127 & Blend with CH$_3$CN, $\varv_8$ = 1 \\ 652 & 47$_{17,30}$--46$_{17,29}$$^\star$ & 257~925.778 & 6 & 493 & 140.1 & 1127 & Noisy, blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and CH$_3$OCHO \\ 654 & 46$_{ 5,41}$--45$_{ 5,40}$ & 257~933.505 & 5 & 293 & 156.0 & 1127 & Noisy, blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and CH$_3$OCHO \\ 655 & 47$_{16,31}$--46$_{16,30}$$^\star$ & 257~957.480 & 6 & 469 & 142.5 & 1127 & Blend with C$_2$H$_5$$^{13}$CN \\ 657 & 47$_{15,32}$--46$_{15,31}$$^\star$ & 257~998.085 & 6 & 447 & 144.8 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 and CH$_3$OCHO \\ 659 & 47$_{14,33}$--46$_{14,32}$$^\star$ & 258~050.228 & 6 & 426 & 146.9 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 661 & 47$_{13,34}$--46$_{13,33}$$^\star$ & 258~117.607 & 6 & 406 & 148.9 & 1127 & Strong CH$_3$OCHO \\ 663 & 17$_{ 6,12}$--16$_{ 5,11}$ & 258~162.597 & 12 & 54 & 3.5 & 1127 & Strong $^{13}$CH$_3$OH and HC$^{15}$N \\ 664 & 17$_{ 6,11}$--16$_{ 5,12}$ & 258~163.845 & 12 & 54 & 3.5 & 1127 & Strong $^{13}$CH$_3$OH and HC$^{15}$N \\ 665 & 47$_{12,35}$--46$_{12,34}$$^\star$ & 258~205.577 & 6 & 388 & 150.7 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 667 & 38$_{ 4,35}$--37$_{ 3,34}$ & 258~232.157 & 17 & 195 & 5.4 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 668 & 47$_{11,37}$--46$_{11,36}$$^\star$ & 258~322.177 & 6 & 372 & 152.4 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ \hline 670 & 48$_{ 2,46}$--47$_{ 2,45}$ & 258~838.876 & 6 & 302 & 163.6 & 1609 & Noisy \\ 671 & 46$_{ 4,42}$--45$_{ 4,41}$ & 258~951.138 & 5 & 288 & 156.6 & 1609 & Strong CH$_3$CN, $\varv_8$ = 2 \\ 672 & 70$_{ 4,67}$--70$_{ 3,68}$ & 259~007.596 & 58 & 650 & 10.0 & 1609 & Blend with H$^{13}$CN in absorption and CH$_3$CN, $\varv_8$ = 2 \\ 673 & 47$_{ 8,40}$--46$_{ 8,39}$ & 259~016.319 & 6 & 331 & 156.5 & 1609 & Blend with H$^{13}$CN in absorption and CH$_3$CN, $\varv_8$ = 2 \\ 674 & 96$_{11,85}$--96$_{10,86}$ & 259~022.243 & 75 & 1306 & 29.4 & 1609 & Blend with H$^{13}$CN in absorption, CH$_3$CN, $\varv_8$ = 2, and \\ & & & & & & & CH$_3$$^{13}$CH$_2$CN \\ 675 & 47$_{ 8,39}$--46$_{ 8,38}$ & 259~024.824 & 6 & 331 & 156.5 & 1609 & Blend with H$^{13}$CN in absorption, CH$_3$CN, $\varv_8$ = 2, and \\ & & & & & & & CH$_3$$^{13}$CH$_2$CN \\ 676 & 94$_{ 7,87}$--94$_{ 6,88}$ & 259~169.651 & 93 & 1215 & 24.0 & 1609 & Noisy, blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 677 & 49$_{ 1,48}$--48$_{ 2,47}$ & 259~170.075 & 6 & 306 & 18.6 & 1609 & Noisy, blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 678 & 49$_{ 2,48}$--48$_{ 2,47}$ & 259~226.397 & 6 & 306 & 167.4 & 1609 & Strong C$_2$H$_5$$^{13}$CN, $^{13}$CH$_2$CHCN, and C$_2$H$_5$CN \\ 679 & 49$_{ 1,48}$--48$_{ 1,47}$ & 259~241.389 & 6 & 306 & 167.4 & 1609 & Strong C$_2$H$_5$$^{13}$CN, $^{13}$CH$_2$CHCN, and C$_2$H$_5$CN \\ 680 & 75$_{ 4,71}$--75$_{ 3,72}$ & 259~244.206 & 58 & 756 & 13.4 & 1609 & Strong C$_2$H$_5$$^{13}$CN, $^{13}$CH$_2$CHCN, and C$_2$H$_5$CN \\ \hline 681 & 48$_{ 3,46}$--47$_{ 2,45}$ & 260~229.609 & 6 & 302 & 14.3 & 413 & Strong C$_2$H$_5$CN \\ 682 & 23$_{ 5,18}$--22$_{ 4,19}$ & 260~510.203 & 11 & 78 & 3.6 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \hline %&&&&&&& \\[-8pt] 683 & 48$_{20,28}$--47$_{20,27}$$^\star$ & 263~352.009 & 12 & 585 & 136.1 & 74 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 and $^{13}$CH$_3$CH$_2$CN \\ 685 & 48$_{19,29}$--47$_{19,28}$$^\star$ & 263~368.180 & 9 & 557 & 138.9 & 74 & Blend with NH$_2$CH$_2$CN \\ 687 & 48$_{18,30}$--47$_{18,29}$$^\star$ & 263~389.051 & 7 & 530 & 141.5 & 74 & Strong HNCO, $\varv_4$ = 1 and CH$_3$OCH$_3$ \\ 689 & 48$_{17,31}$--47$_{17,30}$$^\star$ & 263~415.803 & 7 & 505 & 144.0 & 74 & Strong CH$_3$OCH$_3$ \\ 691 & 48$_{16,32}$--47$_{16,31}$$^\star$ & 263~449.974 & 6 & 481 & 146.4 & 74 & Strong HNCO \\ 693 & 48$_{15,33}$--47$_{15,32}$$^\star$ & 263~493.569 & 100 & 459 & 148.6 & 74 & Blend with C$_2$H$_5$$^{13}$CN and CH$_3$OCH$_3$ \\ 695 & 48$_{14,34}$--47$_{14,33}$$^\star$ & 263~549.541 & 100 & 438 & 150.6 & 74 & Strong NH$_2$CHO, SO$_2$, and NH$_2$CHO, $\varv_{12}$ = 1 \\ 697 & 18$_{ 6,13}$--17$_{ 5,12}$ & 263~612.153 & 12 & 58 & 3.6 & 74 & Blend with NH$_2$CH$_2$CN and CH$_3$OCH$_3$ \\ 698 & 18$_{ 6,12}$--17$_{ 5,13}$ & 263~614.442 & 12 & 58 & 3.6 & 74 & Blend with NH$_2$CH$_2$CN and CH$_3$OCH$_3$ \\ 699 & 48$_{13,35}$--47$_{13,34}$ & 263~621.701 & 6 & 419 & 152.5 & 74 & Blend with CH$_3$OCH$_3$ \\ 700 & 48$_{13,36}$--47$_{13,35}$ & 263~621.895 & 100 & 419 & 152.5 & 74 & Blend with CH$_3$OCH$_3$ \\ 701 & 49$_{ 3,47}$--48$_{ 3,46}$ & 263~687.072 & 100 & 314 & 167.0 & 108 & Strong HNCO and HN$^{13}$CO \\ 702 & 48$_{12,36}$--47$_{12,35}$$^\star$ & 263~715.805 & 6 & 401 & 154.4 & 108 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 and HNCO, $\varv_6$ = 1 \\ 704 & 47$_{ 5,42}$--46$_{ 5,41}$ & 263~828.012 & 6 & 305 & 159.5 & 108 & Blend with HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 and C$_2$H$_5$CN \\ 705 & 48$_{11,38}$--47$_{11,37}$$^\star$ & 263~840.460 & 6 & 384 & 156.0 & 108 & Blend with $U$-line and NH$_2$CHO \\ 707 & 49$_{ 2,47}$--48$_{ 2,46}$ & 263~943.595 & 6 & 314 & 167.0 & 108 & Blend with $U$-line and NH$_2$CHO \\ 708 & 76$_{ 4,72}$--76$_{ 3,73}$ & 264~005.376 & 63 & 775 & 13.4 & 108 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$CN \\ 709 & 48$_{10,39}$--47$_{10,38}$$^\star$ & 264~009.192 & 6 & 369 & 157.5 & 108 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$CN \\ \hline %&&&&&&& \\[-8pt] 711 & 48$_{ 6,42}$--47$_{ 6,41}$ & 266~696.771 & 100 & 324 & 162.1 & 91 & Strong CH$_3$$^{13}$CH$_2$CN, C$_2$H$_5$CN, and CH$_3$OH \\ \hline \end{tabular} \medskip Notes: $^a$ Numbering of the observed transitions associated with a modeled line stronger than 20~mK. $^b$~Transitions marked with a~$^\star$ are double with a frequency difference less than 0.1~MHz. The quantum numbers of the second one are not shown. $^c$~Frequency uncertainty. $^d$~Lower energy level in temperature units~($E_{\rm l}/k_{\rm B}$). $^e$~Calculated rms noise level in $T_{{\rm mb}}$~scale. \end{table}