\begin{table}%t6 \caption{\label{t:prcn-a}Transitions of the \textit{anti}-conformer of \textit{n}-propyl cyanide 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.} %\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}$$^d$} & \multicolumn{1}{c}{$S\mu^2$} & \multicolumn{1}{c}{$\sigma^e$} & \multicolumn{1}{c}{Comments} \\ & & \multicolumn{1}{c}{\scriptsize (MHz)} & \multicolumn{1}{c}{\scriptsize (kHz)} & \multicolumn{1}{c}{\scriptsize (K)} & \multicolumn{1}{c}{\scriptsize (D$^2$)} & \multicolumn{1}{c}{\scriptsize (mK)} & \\ \multicolumn{1}{c}{(1)} & \multicolumn{1}{c}{(2)} & \multicolumn{1}{c}{(3)} & \multicolumn{1}{c}{(4)} & \multicolumn{1}{c}{(5)} & \multicolumn{1}{c}{(6)} & \multicolumn{1}{c}{(7)} & \multicolumn{1}{c}{(8)} \\ \hline 1 & 18$_{ 1,17}$--17$_{ 1,16}$ & 80~486.371 & 5 & 34 & 232.1 & 24 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 2 & 19$_{ 1,19}$--18$_{ 1,18}$ & 82~778.264 & 4 & 37 & 245.1 & 17 & Blend with HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 and C$_2$H$_5$CN \\ 3 & 19$_{ 0,19}$--18$_{ 0,18}$ & 83~487.658 & 4 & 36 & 245.7 & 17 & Blend with C$_2$H$_3$CN and $U$-line \\ 4 & 19$_{ 2,18}$--18$_{ 2,17}$ & 83~906.011 & 5 & 40 & 243.1 & 16 & Weak, blend with $U$-lines \\ 5 & 19$_{ 6,14}$--18$_{ 6,13}$$^\star$ & 84~021.555 & 4 & 73 & 221.3 & 19 & \textbf{Group detected}, partial blend with C$_2$H$_5$CN \\ 7 & 19$_{ 7,12}$--18$_{ 7,11}$$^\star$ & 84~022.819 & 5 & 87 & 212.5 & 19 & \textbf{Group detected}, partial blend with C$_2$H$_5$CN \\ 9 & 19$_{ 5,15}$--18$_{ 5,14}$$^\star$ & 84~023.956 & 4 & 62 & 228.8 & 19 & \textbf{Group detected}, partial blend with C$_2$H$_5$CN \\ 11 & 19$_{ 8,11}$--18$_{ 8,10}$$^\star$ & 84~026.382 & 5 & 102 & 202.2 & 19 & \textbf{Group detected}, partial blend with C$_2$H$_5$CN \\ 13 & 19$_{ 9,10}$--18$_{ 9, 9}$$^\star$ & 84~031.619 & 5 & 120 & 190.6 & 19 & Blend with C$_2$H$_5$CN \\ 15 & 19$_{ 4,16}$--18$_{ 4,15}$ & 84~033.299 & 4 & 53 & 234.9 & 19 & Blend with C$_2$H$_5$CN \\ 16 & 19$_{ 4,15}$--18$_{ 4,14}$ & 84~033.712 & 4 & 53 & 234.9 & 19 & Blend with C$_2$H$_5$CN \\ 17 & 19$_{10, 9}$--18$_{10, 8}$$^\star$ & 84~038.206 & 5 & 139 & 177.7 & 19 & Blend with C$_2$H$_5$CN \\ 19 & 19$_{11, 8}$--18$_{11, 7}$$^\star$ & 84~045.967 & 5 & 161 & 163.4 & 19 & Blend with $U$-line \\ 21 & 19$_{ 3,17}$--18$_{ 3,16}$ & 84~050.001 & 4 & 46 & 239.7 & 19 & Blend with CH$_3$CH$_3$CO \\ 22 & 57$_{ 3,54}$--57$_{ 2,55}$$^\star$ & 84~073.432 & 63 & 358 & 44.1 & 19 & Blend with NH$_2$CHO \\ 24 & 19$_{14, 5}$--18$_{14, 4}$$^\star$ & 84~075.429 & 7 & 238 & 112.4 & 19 & Blend with NH$_2$CHO \\ 26 & 19$_{ 2,17}$--18$_{ 2,16}$ & 84~408.080 & 4 & 40 & 243.1 & 19 & Blend with $^{34}$SO \\ 27 & 19$_{ 1,18}$--18$_{ 1,17}$ & 84~940.688 & 5 & 38 & 245.1 & 22 & Blend with C$_2$H$_3$CN \\ 28 & 20$_{ 1,20}$--19$_{ 1,19}$ & 87~121.605 & 4 & 41 & 258.1 & 16 & Blend with HN$^{13}$C in absorption \\ 29 & 40$_{ 1,39}$--40$_{ 1,40}$ & 87~829.125 & 82 & 172 & 0.8 & 17 & Weak, partial blend with C$_2$H$_5$OCHO \\ 30 & 20$_{ 0,20}$--19$_{ 0,19}$ & 87~829.384 & 5 & 40 & 258.6 & 17 & Weak, partial blend with C$_2$H$_5$OCHO \\ 31 & 20$_{ 2,19}$--19$_{ 2,18}$ & 88~310.935 & 5 & 44 & 256.2 & 17 & Blend with H$^{13}$CCCN, $\varv_6$ = 1 and CH$_3$CH$_3$CO \\ 32 & 20$_{ 6,14}$--19$_{ 6,13}$$^\star$ & 88~444.212 & 5 & 77 & 235.5 & 17 & \textbf{Group detected}, partial blend with CH$_3$CH$_3$CO, C$_2$H$_5$OH, and \\ & & & & & & & $U$-line? \\ 34 & 20$_{ 7,13}$--19$_{ 7,12}$$^\star$ & 88~445.075 & 5 & 91 & 227.0 & 17 & \textbf{Group detected}, partial blend with CH$_3$CH$_3$CO, C$_2$H$_5$OH, and \\ & & & & & & & $U$-line? \\ 36 & 20$_{ 5,16}$--19$_{ 5,15}$$^\star$ & 88~447.526 & 5 & 66 & 242.6 & 17 & \textbf{Group detected}, partial blend with CH$_3$CH$_3$CO, C$_2$H$_5$OH, and \\ & & & & & & & $U$-line? \\ 38 & 20$_{ 8,12}$--19$_{ 8,11}$$^\star$ & 88~448.528 & 5 & 106 & 217.4 & 17 & \textbf{Group detected}, partial blend with CH$_3$CH$_3$CO, C$_2$H$_5$OH, and \\ & & & & & & & $U$-line? \\ 40 & 20$_{ 9,11}$--19$_{ 9,10}$$^\star$ & 88~453.836 & 5 & 124 & 206.4 & 17 & \textbf{Group detected}, partial blend with C$_2$H$_5$$^{13}$CN, $^{13}$CH$_3$CH$_2$CN, \\ & & & & & & & and CH$_2$(OH)CHO \\ 42 & 20$_{ 4,17}$--19$_{ 4,16}$ & 88~458.794 & 5 & 57 & 248.4 & 17 & \textbf{Group detected}, partial blend with C$_2$H$_5$$^{13}$CN, $^{13}$CH$_3$CH$_2$CN, \\ & & & & & & & and CH$_2$(OH)CHO \\ 43 & 20$_{ 4,16}$--19$_{ 4,15}$ & 88~459.387 & 5 & 57 & 248.4 & 17 & \textbf{Group detected}, partial blend with C$_2$H$_5$$^{13}$CN, $^{13}$CH$_3$CH$_2$CN, \\ & & & & & & & and CH$_2$(OH)CHO \\ 44 & 20$_{10,10}$--19$_{10, 9}$$^\star$ & 88~460.625 & 5 & 143 & 194.1 & 17 & \textbf{Group detected}, partial blend with C$_2$H$_5$$^{13}$CN, $^{13}$CH$_3$CH$_2$CN, \\ & & & & & & & and CH$_2$(OH)CHO \\ 46 & 20$_{11, 9}$--19$_{11, 8}$$^\star$ & 88~468.687 & 5 & 165 & 180.5 & 17 & Weak \\ 48 & 20$_{ 3,18}$--19$_{ 3,17}$ & 88~477.246 & 5 & 50 & 252.9 & 17 & Blend with HNCO, $\varv_4$ = 1 and C$_2$H$_5$CN \\ 49 & 20$_{12, 8}$--19$_{12, 7}$$^\star$ & 88~477.898 & 6 & 188 & 165.6 & 17 & Blend with HNCO, $\varv_4$ = 1 and C$_2$H$_5$CN \\ 51 & 20$_{ 3,17}$--19$_{ 3,16}$ & 88~507.586 & 5 & 50 & 252.9 & 17 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and H$^{13}$CCCN, $\varv_7$ = 1 \\ 52 & 20$_{ 2,18}$--19$_{ 2,17}$ & 88~890.385 & 5 & 45 & 256.2 & 21 & Blend with CH$_2$(OH)CHO and $U$-line \\ 53 & 20$_{ 1,19}$--19$_{ 1,18}$ & 89~391.938 & 5 & 42 & 258.1 & 16 & \textbf{Detected}, blend with CH$_3$OCHO, $\varv_t$ = 1 \\ 54 & 21$_{ 1,21}$--20$_{ 1,20}$ & 91~463.179 & 5 & 45 & 271.1 & 24 & Blend with HC$_3$N, $\varv_6$=$\varv_7$ = 1 and $U$-line \\ 55 & 21$_{ 0,21}$--20$_{ 0,20}$ & 92~164.912 & 5 & 44 & 271.6 & 27 & \textbf{Detected}, blend with CH$_3$$^{13}$CN, $\varv_8$ = 1 and $U$-line? \\ 56 & 21$_{ 2,20}$--20$_{ 2,19}$ & 92~714.159 & 5 & 49 & 269.2 & 28 & Blend with CH$_3$OCH$_3$ and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 57 & 21$_{ 6,16}$--20$_{ 6,15}$$^\star$ & 92~866.939 & 5 & 82 & 249.5 & 28 & \textbf{Group detected}, uncertain baseline \\ 59 & 21$_{ 7,14}$--20$_{ 7,13}$$^\star$ & 92~867.332 & 5 & 95 & 241.5 & 28 & \textbf{Group detected}, uncertain baseline \\ 61 & 21$_{ 8,13}$--20$_{ 8,12}$$^\star$ & 92~870.627 & 5 & 110 & 232.2 & 28 & \textbf{Group detected}, uncertain baseline \\ 63 & 21$_{ 5,17}$--20$_{ 5,16}$$^\star$ & 92~871.289 & 5 & 70 & 256.3 & 28 & \textbf{Group detected}, uncertain baseline \\ 65 & 21$_{ 9,12}$--20$_{ 9,11}$$^\star$ & 92~875.977 & 5 & 128 & 221.8 & 28 & \textbf{Group detected}, uncertain baseline \\ 67 & 21$_{10,11}$--20$_{10,10}$$^\star$ & 92~882.945 & 5 & 147 & 210.1 & 28 & Blend with CH$_3$OCHO \\ 69 & 21$_{ 4,18}$--20$_{ 4,17}$ & 92~884.684 & 5 & 61 & 261.8 & 28 & Blend with CH$_3$OCHO \\ 70 & 21$_{ 4,17}$--20$_{ 4,16}$ & 92~885.520 & 5 & 61 & 261.8 & 28 & Blend with CH$_3$OCHO \\ 71 & 21$_{11,10}$--20$_{11, 9}$$^\star$ & 92~891.291 & 6 & 169 & 197.1 & 28 & Noisy \\ 73 & 21$_{12, 9}$--20$_{12, 8}$$^\star$ & 92~900.873 & 6 & 193 & 183.0 & 28 & Blend with $U$-line \\ 75 & 21$_{ 3,19}$--20$_{ 3,18}$ & 92~904.745 & 5 & 54 & 266.1 & 28 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and CH$_3$CH$_3$CO \\ 76 & 21$_{ 3,18}$--20$_{ 3,17}$ & 92~943.421 & 5 & 54 & 266.2 & 28 & Blend with CH$_3$OCHO \\ 77 & 21$_{ 2,19}$--20$_{ 2,18}$ & 93~376.934 & 5 & 49 & 269.2 & 22 & \textbf{Detected} \\ 78 & 21$_{ 1,20}$--20$_{ 1,19}$ & 93~839.887 & 5 & 46 & 271.1 & 24 & Blend with $U$-line \\ 79 & 22$_{ 1,22}$--21$_{ 1,21}$ & 95~802.965 & 5 & 49 & 284.0 & 23 & Blend with $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 80 & 22$_{ 0,22}$--21$_{ 0,21}$ & 96~494.470 & 5 & 49 & 284.5 & 32 & Blend with CH$_3$OH, $\varv_t$ = 1 and CH$_3$CH$_3$CO \\ \hline 81 & 22$_{ 2,21}$--21$_{ 2,20}$ & 97~115.607 & 5 & 53 & 282.3 & 21 & Blend with $U$-line \\ 82 & 22$_{ 7,15}$--21$_{ 7,14}$$^\star$ & 97~289.589 & 5 & 99 & 255.8 & 21 & Blend with C$_2$H$_3$CN and OCS \\ 84 & 22$_{ 6,17}$--21$_{ 6,16}$$^\star$ & 97~289.742 & 5 & 86 & 263.5 & 21 & Blend with C$_2$H$_3$CN and OCS \\ 86 & 22$_{ 8,14}$--21$_{ 8,13}$$^\star$ & 97~292.679 & 5 & 115 & 247.0 & 21 & Blend with OCS \\ 88 & 22$_{ 5,18}$--21$_{ 5,17}$$^\star$ & 97~295.253 & 5 & 75 & 269.9 & 21 & Strong OCS \\ 90 & 22$_{ 9,13}$--21$_{ 9,12}$$^\star$ & 97~298.036 & 5 & 132 & 237.0 & 21 & Strong OCS \\ 92 & 22$_{10,12}$--21$_{10,11}$$^\star$ & 97~305.160 & 5 & 152 & 225.8 & 21 & Strong OCS \\ 94 & 22$_{ 4,19}$--21$_{ 4,18}$ & 97~310.983 & 5 & 66 & 275.2 & 21 & Blend with OCS and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 95 & 22$_{ 4,18}$--21$_{ 4,17}$ & 97~312.143 & 5 & 66 & 275.2 & 21 & Blend with OCS and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 96 & 22$_{11,11}$--21$_{11,10}$$^\star$ & 97~313.773 & 6 & 173 & 213.5 & 21 & Blend with OCS and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 98 & 22$_{12,10}$--21$_{12, 9}$$^\star$ & 97~323.712 & 6 & 197 & 199.9 & 21 & Blend with CH$_3$OCHO \\ 100 & 22$_{ 3,20}$--21$_{ 3,19}$ & 97~332.446 & 5 & 58 & 279.4 & 21 & Blend with $U$-line \\ 101 & 22$_{13, 9}$--21$_{13, 8}$$^\star$ & 97~334.877 & 7 & 223 & 185.2 & 21 & Blend with $U$-line and CH$_3$OCHO \\ 103 & 22$_{ 3,19}$--21$_{ 3,18}$ & 97~381.167 & 5 & 58 & 279.4 & 20 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 104 & 22$_{ 2,20}$--21$_{ 2,19}$ & 97~867.394 & 5 & 53 & 282.3 & 20 & \textbf{Detected}, uncertain baseline \\ 105 & 22$_{ 1,21}$--21$_{ 1,20}$ & 98~284.291 & 5 & 51 & 284.0 & 18 & Blend with CH$_3$OCH$_3$, CH$_3$OCHO, and $U$-line \\ 106 & 23$_{ 1,23}$--22$_{ 1,22}$ & 100~140.951 & 5 & 54 & 296.9 & 14 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 107 & 23$_{ 0,23}$--22$_{ 0,22}$ & 100~818.358 & 5 & 53 & 297.4 & 20 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 108 & 10$_{ 4, 6}$--11$_{ 3, 9}$ & 101~512.348 & 5 & 23 & 1.2 & 16 & \textbf{Detected}, small blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 109 & 23$_{ 2,22}$--22$_{ 2,21}$ & 101~515.201 & 5 & 58 & 295.3 & 16 & \textbf{Detected}, small blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 110 & 23$_{ 7,16}$--22$_{ 7,15}$$^\star$ & 101~711.846 & 5 & 104 & 270.0 & 16 & \textbf{Group detected}, partial blend with $^{13}$CH$_2$CHCN, uncertain \\ & & & & & & & baseline \\ 112 & 23$_{ 6,18}$--22$_{ 6,17}$$^\star$ & 101~712.624 & 5 & 91 & 277.3 & 16 & \textbf{Group detected}, partial blend with $^{13}$CH$_2$CHCN, uncertain \\ & & & & & & & baseline \\ 114 & 23$_{ 8,15}$--22$_{ 8,14}$$^\star$ & 101~714.680 & 5 & 120 & 261.5 & 16 & \textbf{Group detected}, uncertain baseline \\ 116 & 23$_{ 5,19}$--22$_{ 5,18}$$^\star$ & 101~719.429 & 5 & 79 & 283.5 & 16 & \textbf{Group detected}, small blend with $^{13}$CH$_2$CHCN \\ 118 & 23$_{ 9,14}$--22$_{ 9,13}$$^\star$ & 101~720.011 & 5 & 137 & 252.0 & 16 & \textbf{Group detected}, small blend with $^{13}$CH$_2$CHCN \\ 120 & 23$_{10,13}$--22$_{10,12}$$^\star$ & 101~727.266 & 5 & 157 & 241.3 & 16 & Blend with CH$_3$OCHO and $U$-line? \\ 122 & 23$_{11,12}$--22$_{11,11}$$^\star$ & 101~736.128 & 6 & 178 & 229.5 & 16 & Blend with CH$_3$OH \\ 124 & 23$_{ 4,20}$--22$_{ 4,19}$ & 101~737.702 & 5 & 70 & 288.6 & 16 & Blend with CH$_3$OH \\ 125 & 23$_{ 4,19}$--22$_{ 4,18}$ & 101~739.288 & 5 & 70 & 288.6 & 16 & Blend with CH$_3$OH \\ 126 & 23$_{12,11}$--22$_{12,10}$$^\star$ & 101~746.410 & 6 & 202 & 216.6 & 16 & Blend with $U$-line and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 128 & 23$_{13,10}$--22$_{13, 9}$$^\star$ & 101~757.997 & 7 & 227 & 202.5 & 16 & Blend with $U$-line \\ 130 & 23$_{ 3,21}$--22$_{ 3,20}$ & 101~760.286 & 5 & 63 & 292.5 & 16 & Blend with $U$-line \\ 131 & 23$_{17, 6}$--22$_{17, 5}$$^\star$ & 101~816.271 & 10 & 350 & 135.0 & 34 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $\varv_t$=0, and $U$-line \\ 133 & 23$_{ 3,20}$--22$_{ 3,19}$ & 101~820.997 & 5 & 63 & 292.5 & 34 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $\varv_t$=0, and $U$-line \\ 134 & 25$_{ 3,22}$--25$_{ 2,23}$ & 102~358.115 & 5 & 73 & 13.4 & 30 & Blend with $U$-line \\ 135 & 23$_{ 2,21}$--22$_{ 2,20}$ & 102~361.359 & 5 & 58 & 295.3 & 30 & Blend with $U$-line \\ 136 & 23$_{ 1,22}$--22$_{ 1,21}$ & 102~724.897 & 5 & 55 & 296.9 & 37 & Noisy, baseline problem \\ 137 & 24$_{ 1,24}$--23$_{ 1,23}$ & 104~477.131 & 5 & 59 & 309.9 & 48 & Blend with $U$-line \\ 138 & 24$_{ 0,24}$--23$_{ 0,23}$ & 105~136.938 & 5 & 58 & 310.3 & 28 & Blend with $U$-line \\ 139 & 24$_{ 2,23}$--23$_{ 2,22}$ & 105~912.868 & 5 & 63 & 308.3 & 43 & Blend with $^{13}$CH$_3$OH \\ 140 & 24$_{ 7,17}$--23$_{ 7,16}$$^\star$ & 106~134.103 & 5 & 109 & 284.1 & 25 & Blend with NH$_2$CHO \\ 142 & 37$_{ 2,36}$--37$_{ 1,37}$ & 106~135.161 & 50 & 148 & 12.1 & 25 & Blend with NH$_2$CHO \\ 143 & 24$_{ 6,19}$--23$_{ 6,18}$$^\star$ & 106~135.587 & 5 & 96 & 291.1 & 25 & Blend with NH$_2$CHO \\ 145 & 24$_{ 8,16}$--23$_{ 8,15}$$^\star$ & 106~136.628 & 5 & 124 & 276.0 & 25 & Blend with NH$_2$CHO \\ 147 & 24$_{ 9,15}$--23$_{ 9,14}$$^\star$ & 106~141.897 & 5 & 142 & 266.9 & 25 & Blend with NH$_2$CHO \\ 149 & 24$_{ 5,20}$--23$_{ 5,19}$$^\star$ & 106~143.824 & 5 & 84 & 297.0 & 25 & Blend with NH$_2$CHO and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 151 & 24$_{10,14}$--23$_{10,13}$$^\star$ & 106~149.258 & 5 & 161 & 256.6 & 25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 153 & 24$_{11,13}$--23$_{11,12}$$^\star$ & 106~158.350 & 6 & 183 & 245.3 & 25 & Blend with CH$_3$CH$_3$CO and CH$_2$CH$^{13}$CN \\ 155 & 24$_{ 4,21}$--23$_{ 4,20}$ & 106~164.853 & 5 & 75 & 301.9 & 25 & Blend with CH$_2$CH$^{13}$CN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 156 & 24$_{ 4,20}$--23$_{ 4,19}$ & 106~166.991 & 5 & 75 & 301.9 & 25 & Blend with CH$_2$CH$^{13}$CN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 157 & 24$_{12,12}$--23$_{12,11}$$^\star$ & 106~168.961 & 6 & 207 & 232.9 & 25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 159 & 24$_{13,11}$--23$_{13,10}$$^\star$ & 106~180.959 & 7 & 232 & 219.4 & 25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 161 & 24$_{ 3,22}$--23$_{ 3,21}$ & 106~188.197 & 5 & 68 & 305.7 & 25 & \textbf{Detected}, noisy \\ 162 & 24$_{14,10}$--23$_{14, 9}$$^\star$ & 106~194.262 & 7 & 260 & 204.8 & 25 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ 164 & 24$_{18, 6}$--23$_{18, 5}$$^\star$ & 106~259.676 & 12 & 391 & 135.8 & 25 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 166 & 24$_{ 3,21}$--23$_{ 3,20}$ & 106~263.099 & 5 & 68 & 305.6 & 25 & Blend with $^{13}$CH$_3$CH$_2$CN and $U$-line \\ 167 & 24$_{ 2,22}$--23$_{ 2,21}$ & 106~858.357 & 5 & 63 & 308.4 & 24 & Blend with $U$-line, C$_2$H$_5$OH, and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 168 & 24$_{ 1,23}$--23$_{ 1,22}$ & 107~161.444 & 5 & 60 & 309.9 & 24 & Blend with CH$_3$OH and $^{13}$CH$_3$CN \\ 169 & 25$_{ 1,25}$--24$_{ 1,24}$ & 108~811.506 & 5 & 64 & 322.9 & 20 & Blend with $^{13}$CN in absorption and C$_2$H$_3$CN \\ 170 & 25$_{ 0,25}$--24$_{ 0,24}$ & 109~450.626 & 5 & 63 & 323.2 & 36 & Blend with HC$_3$N, $\varv_7$ = 1 and OCS \\ 171 & 78$_{ 4,74}$--78$_{ 3,75}$ & 109~452.759 & 321 & 668 & 59.9 & 36 & Blend with HC$_3$N, $\varv_7$ = 1 and OCS \\ 172 & 25$_{ 2,24}$--24$_{ 2,23}$ & 110~308.536 & 5 & 68 & 321.3 & 24 & Strong CH$_3$$^{13}$CN \\ \hline 173 & 25$_{ 7,18}$--24$_{ 7,17}$$^\star$ & 110~556.359 & 5 & 114 & 298.1 & 32 & Blend with $U$-lines and CH$_3$OCHO \\ 175 & 25$_{ 8,17}$--24$_{ 8,16}$$^\star$ & 110~558.521 & 5 & 130 & 290.3 & 32 & Blend with $U$-lines and CH$_3$OCHO \\ 177 & 25$_{ 6,20}$--24$_{ 6,19}$$^\star$ & 110~558.636 & 5 & 101 & 304.8 & 32 & Blend with $U$-lines and CH$_3$OCHO \\ 179 & 25$_{ 9,16}$--24$_{ 9,15}$$^\star$ & 110~563.690 & 5 & 147 & 281.5 & 32 & Blend with $U$-line \\ 181 & 25$_{ 5,21}$--24$_{ 5,20}$$^\star$ & 110~568.450 & 5 & 89 & 310.5 & 32 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 183 & 25$_{10,15}$--24$_{10,14}$$^\star$ & 110~571.130 & 6 & 167 & 271.7 & 32 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 185 & 25$_{11,14}$--24$_{11,13}$$^\star$ & 110~580.433 & 6 & 188 & 260.8 & 32 & Blend with CH$_3$CH$_3$CO and $U$-line, uncertain baseline \\ 187 & 86$_{ 6,80}$--85$_{ 7,79}$ & 110~581.350 & 563 & 826 & 15.9 & 32 & Blend with CH$_3$CH$_3$CO and $U$-line, uncertain baseline \\ 188 & 25$_{12,13}$--24$_{12,12}$$^\star$ & 110~591.357 & 6 & 212 & 248.9 & 32 & Blend with $U$-line, CH$_3$$^{13}$CN, $\varv_8$ = 1, and HNCO, $\varv_4$ = 1 \\ 190 & 25$_{ 4,22}$--24$_{ 4,21}$ & 110~592.442 & 5 & 80 & 315.2 & 32 & Blend with $U$-line, CH$_3$$^{13}$CN, $\varv_8$ = 1, and HNCO, $\varv_4$ = 1 \\ 191 & 28$_{ 3,26}$--28$_{ 2,27}$ & 110~593.409 & 5 & 90 & 14.3 & 32 & Blend with $U$-line, CH$_3$$^{13}$CN, $\varv_8$ = 1, and HNCO, $\varv_4$ = 1 \\ 192 & 25$_{ 4,21}$--24$_{ 4,20}$ & 110~595.288 & 5 & 80 & 315.1 & 32 & Blend with CH$_3$$^{13}$CN, $\varv_8$ = 1 and HNCO, $\varv_4$ = 1 \\ 193 & 46$_{ 1,45}$--46$_{ 1,46}$ & 110~603.457 & 123 & 227 & 0.8 & 32 & Blend with CH$_3$CN, $\varv_8$ = 1 and $U$-line \\ 194 & 25$_{13,12}$--24$_{13,11}$$^\star$ & 110~603.755 & 7 & 237 & 236.0 & 32 & Blend with CH$_3$CN, $\varv_8$ = 1 and $U$-line \\ 196 & 25$_{ 3,23}$--24$_{ 3,22}$ & 110~616.104 & 5 & 73 & 318.8 & 32 & Blend with CH$_3$CN, $\varv_8$ = 1 and CH$_3$$^{13}$CN, $\varv_8$ = 1 \\ 197 & 25$_{14,11}$--24$_{14,10}$$^\star$ & 110~617.532 & 7 & 265 & 222.0 & 32 & Blend with CH$_3$CN, $\varv_8$ = 1 and CH$_3$$^{13}$CN, $\varv_8$ = 1 \\ 199 & 25$_{15,10}$--24$_{15, 9}$$^\star$ & 110~632.625 & 8 & 295 & 207.0 & 32 & Blend with CH$_3$$^{13}$CN, $\varv_8$ = 1 and CH$_3$CN, $\varv_8$ = 1 \\ 201 & 25$_{19, 6}$--24$_{19, 5}$$^\star$ & 110~705.543 & 14 & 434 & 136.6 & 32 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 203 & 25$_{ 3,22}$--24$_{ 3,21}$ & 110~707.662 & 5 & 73 & 318.8 & 32 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 204 & 25$_{ 2,23}$--24$_{ 2,22}$ & 111~357.863 & 5 & 68 & 321.4 & 35 & Noisy \\ 205 & 25$_{ 1,24}$--24$_{ 1,23}$ & 111~593.662 & 5 & 65 & 322.9 & 29 & \textbf{Detected} \\ 206 & 26$_{ 1,26}$--25$_{ 1,25}$ & 113~144.084 & 5 & 69 & 335.9 & 40 & Strong CN in absorption \\ 207 & 26$_{ 0,26}$--25$_{ 0,25}$ & 113~759.873 & 5 & 69 & 336.1 & 34 & Blend with CH$_3$OCHO and $U$-line \\ 208 & 26$_{ 2,25}$--25$_{ 2,24}$ & 114~702.134 & 5 & 73 & 334.4 & 37 & Blend with CH$_3$OCH$_3$ \\ 209 & 26$_{ 7,19}$--25$_{ 7,18}$$^\star$ & 114~978.615 & 5 & 119 & 312.0 & 59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and $^{13}$CH$_3$OH \\ 211 & 26$_{ 8,18}$--25$_{ 8,17}$$^\star$ & 114~980.356 & 5 & 135 & 304.5 & 59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and $^{13}$CH$_3$OH \\ 213 & 26$_{ 6,21}$--25$_{ 6,20}$$^\star$ & 114~981.774 & 5 & 106 & 318.5 & 59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3, $^{13}$CH$_3$OH, and C$_2$H$_3$CN, $\varv_{11}$ = 3 \\ 215 & 26$_{ 9,17}$--25$_{ 9,16}$$^\star$ & 114~985.387 & 5 & 152 & 296.1 & 59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and CH$_3$CH$_3$CO \\ 217 & 26$_{10,16}$--25$_{10,15}$$^\star$ & 114~992.878 & 6 & 172 & 286.6 & 59 & Blend with CH$_3$CH$_3$CO \\ 219 & 26$_{ 5,22}$--25$_{ 5,21}$$^\star$ & 114~993.314 & 5 & 95 & 323.9 & 59 & Blend with CH$_3$CH$_3$CO \\ 221 & 26$_{11,15}$--25$_{11,14}$$^\star$ & 115~002.371 & 6 & 193 & 276.2 & 59 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 223 & 26$_{12,14}$--25$_{12,13}$$^\star$ & 115~013.593 & 6 & 217 & 264.7 & 59 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_2$$^{13}$CHCN, and $U$-line \\ 225 & 26$_{ 4,23}$--25$_{ 4,22}$ & 115~020.476 & 5 & 85 & 328.4 & 59 & Blend with $U$-line \\ 226 & 26$_{ 4,22}$--25$_{ 4,21}$ & 115~024.221 & 5 & 85 & 328.4 & 59 & Blend with $U$-line \\ 227 & 26$_{13,13}$--25$_{13,12}$$^\star$ & 115~026.378 & 7 & 243 & 252.3 & 59 & Blend with $U$-line and C$_2$H$_5$OH \\ 229 & 26$_{14,12}$--25$_{14,11}$$^\star$ & 115~040.619 & 8 & 270 & 238.9 & 59 & Blend with $U$-line \\ 231 & 26$_{ 3,24}$--25$_{ 3,23}$ & 115~043.924 & 5 & 78 & 331.9 & 59 & Blend with $U$-line \\ 232 & 26$_{15,11}$--25$_{15,10}$$^\star$ & 115~056.245 & 8 & 300 & 224.4 & 59 & Blend with H$^{13}$CCCN, $\varv_7$ = 1 \\ 234 & 64$_{ 4,60}$--64$_{ 3,61}$ & 115~150.722 & 157 & 453 & 43.9 & 59 & Blend with C$_2$H$_3$CN, CH$_3$OCHO, $\varv_{{\rm t}}$ = 1, NS, and \\ & & & & & & & CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 235 & 26$_{20, 6}$--25$_{20, 5}$$^\star$ & 115~154.006 & 17 & 479 & 137.3 & 59 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1, NS, and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 237 & 26$_{ 3,23}$--25$_{ 3,22}$ & 115~154.885 & 5 & 78 & 331.9 & 59 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1, NS, and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 238 & 26$_{ 2,24}$--25$_{ 2,23}$ & 115~859.309 & 5 & 73 & 334.4 & 79 & Weak, blend with a(CH$_2$OH)$_2$ and C$_2$H$_5$OH \\ \hline 239 & 33$_{ 2,32}$--32$_{ 2,31}$ & 145~394.105 & 5 & 116 & 425.3 & 25 & Blend with $U$-line and NH$_2$CH$_2$CN \\ \hline 240 & 34$_{ 1,34}$--33$_{ 1,33}$ & 147~742.893 & 6 & 118 & 439.5 & 31 & Partial blend with C$_2$H$_5$CN and CH$_3$CN, $\varv_8$ = 1, uncertain baseline \\ \hline 241 & 37$_{ 8,29}$--36$_{ 8,28}$$^\star$ & 163~616.044 & 6 & 207 & 456.4 & 38 & Blend with SO$_2$ \\ 243 & 37$_{ 9,28}$--36$_{ 9,27}$$^\star$ & 163~616.543 & 6 & 225 & 450.4 & 38 & Blend with SO$_2$ \\ 245 & 65$_{ 4,62}$--65$_{ 3,63}$ & 163~620.536 & 185 & 464 & 33.9 & 38 & Blend with SO$_2$ \\ 246 & 37$_{10,27}$--36$_{10,26}$$^\star$ & 163~622.456 & 6 & 244 & 443.8 & 38 & Blend with $U$-line, uncertain baseline \\ 248 & 37$_{ 7,31}$--36$_{ 7,30}$$^\star$ & 163~623.355 & 5 & 192 & 461.6 & 38 & Blend with $U$-line, uncertain baseline \\ 250 & 37$_{11,26}$--36$_{11,25}$$^\star$ & 163~632.454 & 7 & 266 & 436.4 & 38 & Blend with NH$_2$CH$_2$CN, uncertain baseline \\ 252 & 37$_{ 6,32}$--36$_{ 6,31}$$^\star$ & 163~643.143 & 5 & 178 & 466.1 & 38 & Blend with NH$_2$CH$_2$CN, uncertain baseline \\ 254 & 37$_{12,25}$--36$_{12,24}$$^\star$ & 163~645.748 & 7 & 289 & 428.3 & 38 & Blend with NH$_2$CH$_2$CN, uncertain baseline \\ 256 & 37$_{13,24}$--36$_{13,23}$$^\star$ & 163~661.850 & 8 & 315 & 419.6 & 38 & Blend with C$_2$H$_5$OCHO, uncertain baseline \\ 258 & 37$_{14,23}$--36$_{14,22}$$^\star$ & 163~680.443 & 8 & 343 & 410.2 & 38 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and HC$^{13}$CCN, $\varv_7$ = 1 \\ 260 & 37$_{ 5,33}$--36$_{ 5,32}$ & 163~684.984 & 5 & 167 & 470.0 & 38 & Blend with HC$^{13}$CCN, $\varv_7$ = 1 and C$_2$H$_5$CN \\ 261 & 37$_{ 5,32}$--36$_{ 5,31}$ & 163~686.545 & 5 & 167 & 470.0 & 38 & Blend with HC$^{13}$CCN, $\varv_7$ = 1 and C$_2$H$_5$CN \\ 262 & 37$_{15,22}$--36$_{15,21}$$^\star$ & 163~701.318 & 9 & 373 & 400.1 & 38 & Blend with HC$^{13}$CCN, $\varv_7$ = 1 \\ 264 & 37$_{ 3,35}$--36$_{ 3,34}$ & 163~715.634 & 5 & 151 & 475.5 & 38 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 265 & 37$_{16,21}$--36$_{16,20}$$^\star$ & 163~724.332 & 9 & 404 & 389.2 & 38 & Blend with g-C$_3$H$_7$CN and $U$-line \\ \hline 267 & 39$_{ 9,30}$--38$_{ 9,29}$$^\star$ & 172~456.851 & 6 & 241 & 477.7 & 44 & Strong C$_2$H$_5$CN and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 269 & 39$_{ 8,31}$--38$_{ 8,30}$$^\star$ & 172~457.861 & 6 & 223 & 483.3 & 44 & Strong C$_2$H$_5$CN and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 271 & 39$_{10,29}$--38$_{10,28}$$^\star$ & 172~461.990 & 7 & 260 & 471.4 & 44 & Strong C$_2$H$_5$CN and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 273 & 39$_{ 7,33}$--38$_{ 7,32}$$^\star$ & 172~467.829 & 6 & 208 & 488.4 & 44 & Strong CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 and C$_2$H$_3$CN \\ \hline 275 & 39$_{11,28}$--38$_{11,27}$$^\star$ & 172~471.720 & 7 & 282 & 464.4 & 44 & Strong CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 and C$_2$H$_3$CN \\ 277 & 39$_{12,27}$--38$_{12,26}$$^\star$ & 172~485.116 & 8 & 305 & 456.8 & 44 & Blend with C$_2$H$_5$CN \\ 279 & 39$_{ 6,34}$--38$_{ 6,33}$$^\star$ & 172~492.223 & 5 & 194 & 492.7 & 44 & Blend with C$_2$H$_5$CN \\ 281 & 39$_{13,26}$--38$_{13,25}$$^\star$ & 172~501.606 & 8 & 331 & 448.5 & 44 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 283 & 52$_{ 2,50}$--51$_{ 3,49}$ & 172~516.550 & 77 & 291 & 14.0 & 44 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 284 & 39$_{14,25}$--38$_{14,24}$$^\star$ & 172~520.819 & 8 & 359 & 439.6 & 44 & Blend with CH$_3$OCHO, $\varv_{{\rm t}}$ = 1, HC$^{13}$CCN, $\varv_7$ = 1, \\ & & & & & & & and HC$^{13}$CCN, $\varv_6$ = 1 \\ 286 & 39$_{ 5,35}$--38$_{ 5,34}$ & 172~542.025 & 5 & 183 & 496.3 & 44 & Blend with NH$_2$CH$_2$CN and HCC$^{13}$CN, $\varv_6$ = 1 \\ 287 & 39$_{15,24}$--38$_{15,23}$$^\star$ & 172~542.509 & 9 & 388 & 429.9 & 44 & Blend with NH$_2$CH$_2$CN and HCC$^{13}$CN, $\varv_6$ = 1 \\ 289 & 39$_{ 5,34}$--38$_{ 5,33}$ & 172~544.526 & 5 & 183 & 496.3 & 44 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 and HCC$^{13}$CN, $\varv_7$ = 1 \\ 290 & 39$_{ 3,37}$--38$_{ 3,36}$ & 172~551.469 & 5 & 167 & 501.6 & 44 & Blend with HCC$^{13}$CN, $\varv_6$ = 1 and HCC$^{13}$CN, $\varv_7$ = 1 \\ 291 & 39$_{16,23}$--38$_{16,22}$$^\star$ & 172~566.508 & 9 & 420 & 419.6 & 44 & Blend with NH$_2$CH$_2$CN \\ 293 & 39$_{17,22}$--38$_{17,21}$$^\star$ & 172~592.700 & 10 & 454 & 408.7 & 44 & Blend with CH$_2$(OH)CHO and $U$-line \\ 295 & 39$_{18,21}$--38$_{18,20}$$^\star$ & 172~621.005 & 11 & 490 & 397.1 & 44 & Blend with NH$_2$CH$_2$CN, t-HCOOH, and $U$-line? \\ 297 & 39$_{ 4,36}$--38$_{ 4,35}$ & 172~622.501 & 5 & 174 & 499.2 & 44 & Blend with NH$_2$CH$_2$CN, t-HCOOH, and $U$-line? \\ 298 & 39$_{19,20}$--38$_{19,19}$$^\star$ & 172~651.366 & 13 & 528 & 384.8 & 44 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 and $U$-line \\ 300 & 39$_{20,19}$--38$_{20,18}$$^\star$ & 172~683.745 & 16 & 568 & 371.8 & 44 & Strong H$^{13}$CN in absorption and CH$_3$OCHO \\ 302 & 39$_{ 4,35}$--38$_{ 4,34}$ & 172~684.518 & 5 & 174 & 499.2 & 44 & Strong H$^{13}$CN in absorption and CH$_3$OCHO \\ \hline %&&&&&&& \\[-8pt] 303 & 46$_{ 2,45}$--45$_{ 2,44}$ & 202~062.851 & 7 & 223 & 593.9 & 138 & Blend with CH$_3$$^{13}$CN \\ 304 & 46$_{ 1,45}$--45$_{ 1,44}$ & 203~271.058 & 6 & 222 & 594.2 & 161 & Strong H$^{13}$CCCN, $\varv_7$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 305 & 46$_{ 9,37}$--45$_{ 9,36}$$^\star$ & 203~392.918 & 7 & 303 & 572.3 & 161 & Strong SO$_2$ and C$_2$H$_5$CN \\ 307 & 46$_{10,36}$--45$_{10,35}$$^\star$ & 203~393.942 & 8 & 323 & 567.0 & 161 & Strong SO$_2$ and C$_2$H$_5$CN \\ 309 & 46$_{ 8,39}$--45$_{ 8,38}$$^\star$ & 203~401.192 & 7 & 286 & 577.1 & 161 & Strong C$_2$H$_5$CN and CH$_3$OCH$_3$ \\ 311 & 46$_{11,35}$--45$_{11,34}$$^\star$ & 203~401.696 & 8 & 344 & 561.1 & 161 & Strong C$_2$H$_5$CN and CH$_3$OCH$_3$ \\ 313 & 46$_{12,34}$--45$_{12,33}$$^\star$ & 203~414.661 & 9 & 368 & 554.6 & 161 & Strong CH$_3$OCH$_3$ and $^{13}$CH$_2$CHCN \\ 315 & 46$_{ 3,44}$--45$_{ 3,43}$ & 203~419.779 & 6 & 229 & 592.5 & 161 & Blend with $^{13}$CH$_2$CHCN \\ 316 & 46$_{ 7,40}$--45$_{ 7,39}$$^\star$ & 203~423.393 & 6 & 270 & 581.4 & 161 & Blend with $^{13}$CH$_2$CHCN \\ 318 & 46$_{13,33}$--45$_{13,32}$$^\star$ & 203~431.894 & 9 & 393 & 547.6 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 320 & 46$_{14,32}$--45$_{14,31}$$^\star$ & 203~452.784 & 9 & 421 & 540.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 322 & 46$_{ 6,41}$--45$_{ 6,40}$ & 203~468.489 & 6 & 257 & 585.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and CH$_3$OCHO \\ 323 & 46$_{ 6,40}$--45$_{ 6,39}$ & 203~468.859 & 6 & 257 & 585.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and CH$_3$OCHO \\ 324 & 46$_{15,31}$--45$_{15,30}$$^\star$ & 203~476.924 & 9 & 451 & 531.9 & 161 & Blend with CH$_3$OCHO and CH$_3$CN, $\varv_8$ = 2 \\ 326 & 46$_{16,30}$--45$_{16,29}$$^\star$ & 203~504.034 & 9 & 483 & 523.1 & 161 & Blend with $^{34}$SO$_2$ and CH$_3$CN, $\varv_8$ = 2 \\ 328 & 46$_{17,29}$--45$_{17,28}$$^\star$ & 203~533.921 & 10 & 517 & 513.8 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 330 & 16$_{ 7, 9}$--17$_{ 6,12}$$^\star$ & 203~535.308 & 25 & 70 & 1.6 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and C$_2$H$_5$OCHO \\ 332 & 46$_{ 5,42}$--45$_{ 5,41}$ & 203~552.152 & 6 & 245 & 588.1 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and H$^{13}$CCCN, $\varv_7$ = 1 \\ 333 & 46$_{ 5,41}$--45$_{ 5,40}$ & 203~562.997 & 6 & 245 & 588.2 & 161 & Strong CH$_3$CN, $\varv_8$ = 2, CH$_3$OCH$_3$, and $^{13}$CH$_2$CHCN \\ 334 & 46$_{18,28}$--45$_{18,27}$$^\star$ & 203~566.446 & 10 & 552 & 504.0 & 161 & Strong CH$_3$CN, $\varv_8$ = 2, CH$_3$OCH$_3$, and $^{13}$CH$_2$CHCN \\ 336 & 46$_{19,27}$--45$_{19,26}$$^\star$ & 203~601.513 & 11 & 590 & 493.6 & 161 & Blend with CH$_3$OCHO and CH$_3$CH$_3$CO \\ 338 & 46$_{20,26}$--45$_{20,25}$$^\star$ & 203~639.052 & 14 & 630 & 482.7 & 161 & Blend with C$_2$H$_5$CN \\ 340 & 46$_{ 4,43}$--45$_{ 4,42}$ & 203~653.642 & 6 & 236 & 590.6 & 161 & Blend with C$_2$H$_5$CN, C$_2$H$_5$OH, and $U$-line \\ 341 & 46$_{21,25}$--45$_{21,24}$$^\star$ & 203~679.015 & 17 & 672 & 471.1 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 \\ 343 & 46$_{23,23}$--45$_{23,22}$$^\star$ & 203~766.086 & 29 & 762 & 446.4 & 364 & Blend with C$_2$H$_5$OCHO \\ 345 & 47$_{ 1,47}$--46$_{ 1,46}$ & 203~773.957 & 14 & 227 & 607.7 & 364 & Blend with $^{13}$CH$_2$CHCN \\ 346 & 46$_{ 4,42}$--45$_{ 4,41}$ & 203~841.799 & 6 & 236 & 590.6 & 364 & Blend with C$_2$H$_5$CN and CH$_3$OCHO \\ 347 & 47$_{ 0,47}$--46$_{ 0,46}$ & 203~894.538 & 14 & 227 & 607.7 & 364 & Blend with $U$-line \\ \hline 348 & 46$_{ 2,44}$--45$_{ 2,43}$ & 205~486.337 & 8 & 226 & 594.0 & 100 & Blend with CH$_3$OCHO \\ 349 & 41$_{ 2,40}$--40$_{ 1,39}$ & 205~486.671 & 20 & 176 & 17.7 & 100 & Blend with CH$_3$OCHO \\ 350 & 47$_{ 2,46}$--46$_{ 2,45}$ & 206~403.502 & 7 & 233 & 606.8 & 106 & Strong C$_2$H$_5$CN \\ 351 & 47$_{ 1,46}$--46$_{ 1,45}$ & 207~565.934 & 6 & 232 & 607.1 & 282 & Blend with C$_2$H$_5$OH and $U$-line? \\ 352 & 47$_{ 9,38}$--46$_{ 9,37}$$^\star$ & 207~811.666 & 7 & 313 & 585.8 & 173 & Blend with $^{13}$CH$_3$OH and C$_2$H$_5$CN \\ 354 & 47$_{10,37}$--46$_{10,36}$$^\star$ & 207~811.909 & 8 & 332 & 580.5 & 173 & Blend with $^{13}$CH$_3$OH and C$_2$H$_5$CN \\ 356 & 47$_{11,36}$--46$_{11,35}$$^\star$ & 207~819.239 & 8 & 354 & 574.7 & 173 & Blend with C$_2$H$_5$CN and C$_2$H$_5$OCHO \\ 358 & 47$_{ 3,45}$--46$_{ 3,44}$ & 207~820.872 & 6 & 239 & 605.5 & 173 & Blend with C$_2$H$_5$CN and C$_2$H$_5$OCHO \\ 359 & 47$_{ 8,40}$--46$_{ 8,39}$$^\star$ & 207~821.249 & 7 & 295 & 590.5 & 173 & Blend with C$_2$H$_5$CN, C$_2$H$_5$OCHO, and C$_2$H$_5$OH \\ 361 & 47$_{12,35}$--46$_{12,34}$$^\star$ & 207~832.034 & 9 & 378 & 568.5 & 173 & Strong NS, CH$_2$$^{13}$CHCN, and C$_2$H$_5$CN \\ 363 & 47$_{ 7,41}$--46$_{ 7,40}$$^\star$ & 207~845.603 & 7 & 280 & 594.7 & 173 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 365 & 47$_{13,34}$--46$_{13,33}$$^\star$ & 207~849.289 & 9 & 403 & 561.6 & 173 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 367 & 47$_{14,33}$--46$_{14,32}$$^\star$ & 207~870.351 & 9 & 431 & 554.2 & 173 & Blend with C$_2$H$_5$OH, uncertain baseline \\ 369 & 47$_{ 6,42}$--46$_{ 6,41}$ & 207~894.282 & 6 & 267 & 598.2 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 370 & 47$_{ 6,41}$--46$_{ 6,40}$$^\star$ & 207~894.750 & 6 & 267 & 598.2 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 372 & 47$_{15,33}$--46$_{15,32}$ & 207~894.786 & 10 & 461 & 546.2 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 373 & 47$_{16,31}$--46$_{16,30}$$^\star$ & 207~922.295 & 10 & 492 & 537.6 & 173 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 375 & 47$_{17,30}$--46$_{17,29}$$^\star$ & 207~952.671 & 10 & 526 & 528.5 & 173 & Blend with C$_2$H$_5$CN and CH$_2$$^{13}$CHCN \\ \hline 377 & 15$_{ 7, 8}$--16$_{ 6,11}$$^\star$ & 207~955.703 & 25 & 66 & 1.4 & 173 & Blend with C$_2$H$_5$CN and CH$_2$$^{13}$CHCN \\ 379 & 47$_{ 5,43}$--46$_{ 5,42}$ & 207~983.470 & 6 & 255 & 601.2 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 380 & 47$_{18,29}$--46$_{18,28}$$^\star$ & 207~985.767 & 10 & 562 & 518.9 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 382 & 47$_{ 5,42}$--46$_{ 5,41}$ & 207~996.582 & 6 & 255 & 601.2 & 173 & Blend with C$_2$H$_5$CN, C$_2$H$_5$OH, and CH$_2$CH$^{13}$CN \\ 383 & 47$_{19,28}$--46$_{19,27}$$^\star$ & 208~021.478 & 11 & 600 & 508.7 & 173 & Blend with CH$_2$$^{13}$CHCN \\ 385 & 47$_{20,27}$--46$_{20,26}$$^\star$ & 208~059.729 & 14 & 640 & 498.0 & 173 & Blend with C$_2$H$_5$CN \\ 387 & 48$_{ 1,48}$--47$_{ 1,47}$ & 208~076.611 & 16 & 236 & 620.6 & 173 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO \\ 388 & 47$_{ 4,44}$--46$_{ 4,43}$ & 208~085.930 & 6 & 246 & 603.7 & 173 & Blend with CH$_3$CH$_3$CO and CH$_2$CH$^{13}$CN \\ 389 & 47$_{21,26}$--46$_{21,25}$$^\star$ & 208~100.469 & 17 & 682 & 486.7 & 173 & Blend with CH$_2$CH$^{13}$CN, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, \\ & & & & & & & and CH$_2$$^{13}$CHCN \\ 391 & 48$_{ 0,48}$--47$_{ 0,47}$ & 208~185.442 & 16 & 236 & 620.6 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 392 & 47$_{23,24}$--46$_{23,23}$$^\star$ & 208~189.277 & 29 & 771 & 462.5 & 173 & Blend with C$_2$H$_5$OH and CH$_2$$^{13}$CHCN \\ 394 & 47$_{25,22}$--46$_{25,21}$$^\star$ & 208~287.742 & 46 & 869 & 436.0 & 168 & Blend with C$_2$H$_5$OH \\ 396 & 47$_{ 4,43}$--46$_{ 4,42}$ & 208~302.740 & 7 & 246 & 603.7 & 168 & Blend with C$_2$H$_5$CN \\ 397 & 47$_{ 3,44}$--46$_{ 3,43}$ & 209~390.960 & 9 & 239 & 605.7 & 58 & Blend with C$_2$H$_5$OH and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 398 & 47$_{ 2,45}$--46$_{ 2,44}$ & 209~918.318 & 9 & 235 & 607.0 & 45 & Strong $^{13}$CH$_3$CH$_2$CN, C$_2$H$_5$OH, and CH$_3$OCHO \\ 399 & 48$_{ 2,47}$--47$_{ 2,46}$ & 210~741.480 & 50 & 243 & 619.6 & 37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, \\ & & & & & & & uncertain baseline \\ 400 & 48$_{ 1,47}$--47$_{ 1,46}$ & 211~856.190 & 50 & 242 & 620.1 & 47 & Blend with $U$-line \\ 401 & 48$_{ 3,46}$--47$_{ 3,45}$ & 212~219.540 & 50 & 249 & 618.5 & 36 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 402 & 48$_{10,38}$--47$_{10,37}$$^\star$ & 212~229.670 & 50 & 342 & 594.1 & 36 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and NH$_2$CHO \\ 404 & 48$_{ 9,39}$--47$_{ 9,38}$$^\star$ & 212~230.190 & 50 & 323 & 599.2 & 36 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and NH$_2$CHO \\ 406 & 48$_{11,37}$--47$_{11,36}$$^\star$ & 212~236.507 & 9 & 364 & 588.4 & 36 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and NH$_2$CHO \\ 408 & 48$_{ 8,40}$--47$_{ 8,39}$$^\star$ & 212~241.200 & 50 & 305 & 603.8 & 36 & Strong NH$_2$CHO \\ 410 & 48$_{12,36}$--47$_{12,35}$$^\star$ & 212~249.060 & 50 & 388 & 582.2 & 36 & Strong NH$_2$CHO and NH$_2$CHO, $\varv_{12}$ = 1 \\ 412 & 48$_{13,35}$--47$_{13,34}$$^\star$ & 212~266.320 & 50 & 413 & 575.5 & 36 & Strong C$_2$H$_5$OH, NH$_2$$^{13}$CHO, and NH$_2$CHO \\ 414 & 48$_{ 7,41}$--47$_{ 7,40}$$^\star$ & 212~267.790 & 50 & 290 & 607.8 & 36 & Strong C$_2$H$_5$OH, NH$_2$$^{13}$CHO, and NH$_2$CHO \\ 416 & 48$_{14,34}$--47$_{14,33}$$^\star$ & 212~287.590 & 50 & 441 & 568.2 & 36 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $\varv$ = 0, and $U$-line \\ 418 & 48$_{15,33}$--47$_{15,32}$$^\star$ & 212~312.290 & 50 & 471 & 560.4 & 36 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and NH$_2$CHO \\ 420 & 48$_{ 6,43}$--47$_{ 6,42}$ & 212~320.280 & 50 & 276 & 611.3 & 36 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and NH$_2$CHO \\ 421 & 48$_{ 6,42}$--47$_{ 6,41}$ & 212~320.770 & 50 & 276 & 611.3 & 36 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and NH$_2$CHO \\ 422 & 48$_{16,32}$--47$_{16,31}$$^\star$ & 212~340.190 & 50 & 502 & 552.0 & 36 & Strong C$_2$H$_3$CN \\ 424 & 48$_{17,31}$--47$_{17,30}$$^\star$ & 212~371.060 & 50 & 536 & 543.1 & 36 & Blend with NH$_2$$^{13}$CHO, $\varv_{12}$ = 1, uncertain baseline \\ 426 & 14$_{ 7, 7}$--15$_{ 6,10}$$^\star$ & 212~375.891 & 25 & 63 & 1.2 & 36 & Blend with NH$_2$$^{13}$CHO, $\varv_{12}$ = 1, uncertain baseline \\ 428 & 49$_{ 1,49}$--48$_{ 1,48}$ & 212~378.480 & 50 & 246 & 633.5 & 36 & Blend with NH$_2$$^{13}$CHO, $\varv_{12}$ = 1, uncertain baseline \\ 429 & 48$_{18,30}$--47$_{18,29}$$^\star$ & 212~404.720 & 50 & 572 & 533.7 & 36 & Strong NH$_2$CHO, $\varv_{12}$ = 1 and H$^{13}$CCCN, $\varv_7$ = 1 \\ 431 & 48$_{ 5,44}$--47$_{ 5,43}$ & 212~415.060 & 50 & 265 & 614.2 & 36 & Blend with NH$_2$CHO \\ 432 & 48$_{ 5,43}$--47$_{ 5,42}$ & 212~430.890 & 50 & 265 & 614.3 & 36 & Strong NH$_2$CHO \\ 433 & 48$_{19,29}$--47$_{19,28}$$^\star$ & 212~441.110 & 50 & 610 & 523.7 & 99 & Blend with NH$_2$CHO and CH$_3$OCHO \\ 435 & 49$_{ 0,49}$--48$_{ 0,48}$ & 212~476.620 & 50 & 246 & 633.6 & 99 & Blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 436 & 48$_{20,28}$--47$_{20,27}$$^\star$ & 212~480.030 & 50 & 650 & 513.3 & 99 & Blend with $^{13}$CH$_3$OH, $\varv_t$ = 1 and CH$_3$CHO \\ 438 & 48$_{ 4,45}$--47$_{ 4,44}$ & 212~517.790 & 50 & 256 & 616.8 & 99 & Blend with C$_2$H$_5$CN and C$_2$H$_5$OH, uncertain baseline \\ 439 & 48$_{21,27}$--47$_{21,26}$$^\star$ & 212~521.490 & 50 & 692 & 502.1 & 99 & Blend with C$_2$H$_5$CN and C$_2$H$_5$OH, uncertain baseline \\ 441 & 48$_{26,22}$--47$_{26,21}$$^\star$ & 212~766.374 & 57 & 931 & 438.8 & 99 & Blend with $^{13}$CH$_3$OH and C$_2$H$_5$CN, uncertain baseline \\ 443 & 48$_{ 4,44}$--47$_{ 4,43}$ & 212~766.640 & 50 & 256 & 616.7 & 99 & Blend with $^{13}$CH$_3$OH and C$_2$H$_5$CN, uncertain baseline \\ 444 & 48$_{ 3,45}$--47$_{ 3,44}$ & 213~912.029 & 10 & 249 & 618.6 & 48 & Blend with $^{13}$CH$_3$OH \\ 445 & 48$_{ 2,46}$--47$_{ 2,45}$ & 214~343.680 & 50 & 245 & 619.9 & 75 & Strong $^{13}$CH$_3$CN and C$_2$H$_5$$^{13}$CN \\ 446 & 49$_{ 2,48}$--48$_{ 2,47}$ & 215~077.170 & 50 & 253 & 632.6 & 74 & Strong C$_2$H$_5$CN \\ 447 & 49$_{ 1,48}$--48$_{ 1,47}$ & 216~142.273 & 8 & 252 & 632.9 & 55 & Blend with OCS and $U$-line \\ 448 & 49$_{ 3,47}$--48$_{ 3,46}$ & 216~615.615 & 6 & 259 & 631.5 & 55 & Blend with CH$_3$COOH and CH$_3$CHO \\ 449 & 49$_{10,39}$--48$_{10,38}$$^\star$ & 216~647.130 & 8 & 352 & 607.5 & 55 & Strong SO$_2$ and C$_2$H$_5$OH \\ 451 & 49$_{ 9,40}$--48$_{ 9,39}$$^\star$ & 216~648.604 & 8 & 333 & 612.6 & 55 & Strong SO$_2$ and C$_2$H$_5$OH \\ 453 & 49$_{11,38}$--48$_{11,37}$$^\star$ & 216~653.496 & 9 & 374 & 602.0 & 55 & Strong SO$_2$ and C$_2$H$_5$OH \\ 455 & 49$_{ 8,42}$--48$_{ 8,41}$$^\star$ & 216~661.026 & 7 & 315 & 617.0 & 55 & Strong SO$_2$ and C$_2$H$_5$OH \\ 457 & 49$_{12,37}$--48$_{12,36}$$^\star$ & 216~665.865 & 9 & 398 & 596.0 & 55 & Strong SO$_2$ and C$_2$H$_5$OH \\ 459 & 50$_{ 1,50}$--49$_{ 1,49}$ & 216~679.385 & 20 & 257 & 646.5 & 55 & Blend with H$_2$S \\ 460 & 49$_{13,36}$--48$_{13,35}$$^\star$ & 216~683.096 & 10 & 423 & 589.3 & 55 & Blend with H$_2$S \\ 462 & 49$_{ 7,43}$--48$_{ 7,42}$$^\star$ & 216~690.012 & 7 & 300 & 621.0 & 55 & Strong H$_2$S \\ 464 & 49$_{14,35}$--48$_{14,34}$$^\star$ & 216~704.448 & 10 & 451 & 582.2 & 55 & Strong H$_2$S \\ 466 & 49$_{15,34}$--48$_{15,33}$$^\star$ & 216~729.429 & 10 & 481 & 574.6 & 50 & Strong H$_2$S and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 468 & 49$_{ 6,44}$--48$_{ 6,43}$ & 216~746.358 & 7 & 287 & 624.5 & 50 & Strong C$_2$H$_5$CN \\ 469 & 49$_{ 6,43}$--48$_{ 6,42}$ & 216~747.094 & 7 & 287 & 624.5 & 50 & Strong C$_2$H$_5$CN \\ 470 & 49$_{16,33}$--48$_{16,32}$$^\star$ & 216~757.710 & 50 & 513 & 566.3 & 50 & Strong C$_2$H$_5$CN \\ 472 & 50$_{ 0,50}$--49$_{ 0,49}$ & 216~767.700 & 50 & 256 & 646.5 & 50 & Blend with C$_2$H$_5$CN and $U$-line \\ \hline 473 & 49$_{17,32}$--48$_{17,31}$$^\star$ & 216~789.070 & 50 & 546 & 557.7 & 50 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 475 & 13$_{ 7, 6}$--14$_{ 6, 9}$$^\star$ & 216~795.931 & 26 & 59 & 1.0 & 50 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 477 & 49$_{18,31}$--48$_{18,30}$$^\star$ & 216~823.235 & 10 & 582 & 548.3 & 50 & Strong CH$_3$OCHO \\ 479 & 49$_{ 5,45}$--48$_{ 5,44}$ & 216~847.000 & 7 & 275 & 627.3 & 50 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 480 & 49$_{19,30}$--48$_{19,29}$$^\star$ & 216~860.211 & 11 & 620 & 538.7 & 50 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 482 & 49$_{ 5,44}$--48$_{ 5,43}$ & 216~865.924 & 7 & 275 & 627.4 & 50 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 483 & 49$_{20,29}$--48$_{20,28}$$^\star$ & 216~899.870 & 50 & 660 & 528.3 & 50 & Blend with $U$-line \\ 485 & 49$_{21,28}$--48$_{21,27}$$^\star$ & 216~942.142 & 17 & 702 & 517.5 & 50 & Strong CH$_3$OH \\ 487 & 49$_{ 4,46}$--48$_{ 4,45}$ & 216~949.090 & 50 & 266 & 629.7 & 50 & Strong CH$_3$OH \\ 488 & 42$_{10,32}$--43$_{ 9,35}$$^\star$ & 216~956.684 & 77 & 284 & 6.3 & 50 & Strong CH$_3$OH \\ 490 & 49$_{ 4,45}$--48$_{ 4,44}$ & 217~233.695 & 7 & 266 & 629.8 & 50 & Strong CH$_2$$^{13}$CHCN \\ 491 & 45$_{ 2,44}$--44$_{ 1,43}$ & 217~511.675 & 25 & 213 & 21.1 & 50 & Blend with $^{13}$CN in absorption and $U$-line \\ 492 & 50$_{ 1,50}$--49$_{ 0,49}$ & 217~512.520 & 22 & 256 & 41.1 & 50 & Blend with $^{13}$CN in absorption and $U$-line \\ \hline 493 & 50$_{ 2,49}$--49$_{ 2,48}$ & 219~410.228 & 10 & 263 & 645.7 & 92 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 \\ 494 & 6$_{ 5, 2}$-- 5$_{ 4, 1}$$^\star$ & 219~563.799 & 11 & 20 & 4.4 & 92 & Strong C$^{18}$O \\ \hline %&&&&&&& \\[-8pt] 496 & 50$_{ 1,49}$--49$_{ 1,48}$ & 220~424.730 & 8 & 262 & 645.9 & 98 & Strong CH$_3$$^{13}$CN \\ \hline 497 & 51$_{ 4,47}$--50$_{ 4,46}$ & 226~177.852 & 9 & 287 & 655.8 & 278 & Noisy \\ \hline %&&&&&&& \\[-8pt] 498 & 51$_{ 3,48}$--50$_{ 3,47}$ & 227~473.842 & 14 & 281 & 657.7 & 85 & Blend with CH$_2$CH$^{13}$CN and C$_2$H$_5$OCHO, uncertain baseline \\ 499 & 51$_{ 2,49}$--50$_{ 2,48}$ & 227~577.811 & 11 & 277 & 658.7 & 85 & Strong CH$_3$OCHO and C$_2$H$_5$OH \\ 500 & 29$_{ 3,27}$--28$_{ 2,26}$ & 227~580.141 & 9 & 91 & 7.6 & 85 & Strong CH$_3$OCHO and C$_2$H$_5$OH \\ \hline 501 & 53$_{ 2,52}$--52$_{ 2,51}$ & 232~395.004 & 14 & 295 & 684.5 & 19 & Blend with C$_2$H$_5$OH \\ 502 & 9$_{ 5, 5}$-- 8$_{ 4, 4}$$^\star$ & 232~831.850 & 11 & 24 & 4.9 & 19 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ 504 & 62$_{ 6,57}$--62$_{ 5,58}$ & 232~836.738 & 28 & 440 & 32.6 & 19 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ \hline 505 & 44$_{ 6,39}$--44$_{ 5,40}$ & 235~131.269 & 9 & 236 & 22.2 & 131 & Strong C$_2$H$_5$OH \\ 506 & 53$_{ 4,49}$--52$_{ 4,48}$ & 235~136.432 & 11 & 309 & 681.8 & 131 & Strong C$_2$H$_5$OH \\ 507 & 39$_{ 6,33}$--39$_{ 5,34}$ & 235~437.401 & 9 & 191 & 19.4 & 131 & Blend with $^{13}$CH$_3$OH, $\varv_t$ = 1 \\ 508 & 38$_{ 6,32}$--38$_{ 5,33}$ & 235~489.643 & 9 & 183 & 18.9 & 131 & Blend with CH$_3$CH$_3$CO and HC$^{13}$CCN \\ 509 & 37$_{ 6,31}$--37$_{ 5,32}$ & 235~537.303 & 9 & 175 & 18.4 & 131 & Strong HCC$^{13}$CN \\ 510 & 37$_{ 6,32}$--37$_{ 5,33}$ & 235~543.778 & 9 & 175 & 18.4 & 131 & Strong HCC$^{13}$CN and CH$_3$CH$_3$CO \\ 511 & 36$_{ 6,30}$--36$_{ 5,31}$ & 235~580.671 & 9 & 167 & 17.8 & 131 & Blend with C$_2$H$_3$CN, uncertain baseline \\ 512 & 36$_{ 6,31}$--36$_{ 5,32}$ & 235~585.618 & 9 & 167 & 17.8 & 131 & Blend with C$_2$H$_3$CN, uncertain baseline \\ 513 & 35$_{ 6,29}$--35$_{ 5,30}$ & 235~620.022 & 9 & 159 & 17.3 & 131 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 514 & 35$_{ 6,30}$--35$_{ 5,31}$ & 235~623.773 & 9 & 159 & 17.3 & 131 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 515 & 34$_{ 6,28}$--34$_{ 5,29}$ & 235~655.616 & 9 & 152 & 16.7 & 131 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, HC$^{13}$CCN, $\varv_5$ = 1/$\varv_7$ = 3, \\ & & & & & & & and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 516 & 34$_{ 6,29}$--34$_{ 5,30}$ & 235~658.436 & 9 & 152 & 16.7 & 131 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, HC$^{13}$CCN, $\varv_5$ = 1/$\varv_7$ = 3, \\ & & & & & & & and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 517 & 33$_{ 6,27}$--33$_{ 5,28}$ & 235~687.700 & 10 & 145 & 16.2 & 131 & Blend with HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 518 & 33$_{ 6,28}$--33$_{ 5,29}$ & 235~689.803 & 10 & 145 & 16.2 & 131 & Blend with HCC$^{13}$CN, $\varv_5$ = 1/$\varv_7$ = 3, uncertain baseline \\ 519 & 32$_{ 6,26}$--32$_{ 5,27}$ & 235~716.510 & 10 & 138 & 15.7 & 131 & Blend with CH$_3$OCH$_3$ \\ 520 & 32$_{ 6,27}$--32$_{ 5,28}$ & 235~718.063 & 10 & 138 & 15.7 & 131 & Blend with CH$_3$OCH$_3$ \\ 521 & 31$_{ 6,25}$--31$_{ 5,26}$ & 235~742.268 & 10 & 131 & 15.1 & 131 & Blend with $U$-line in absorption or baseline problem? \\ 522 & 31$_{ 6,26}$--31$_{ 5,27}$ & 235~743.404 & 10 & 131 & 15.1 & 131 & Blend with $U$-line in absorption or baseline problem? \\ 523 & 30$_{ 6,24}$--30$_{ 5,25}$ & 235~765.188 & 10 & 124 & 14.6 & 131 & Blend with $U$-line in absorption or baseline problem? \\ 524 & 30$_{ 6,25}$--30$_{ 5,26}$ & 235~766.010 & 10 & 124 & 14.6 & 131 & Blend with $U$-line in absorption or baseline problem? \\ 525 & 29$_{ 6,23}$--29$_{ 5,24}$ & 235~785.473 & 10 & 118 & 14.1 & 131 & Blend with CH$_3$OCH$_3$ and $^{13}$CH$_3$CH$_2$CN \\ 526 & 29$_{ 6,24}$--29$_{ 5,25}$ & 235~786.062 & 10 & 118 & 14.1 & 131 & Blend with CH$_3$OCH$_3$ and $^{13}$CH$_3$CH$_2$CN \\ 527 & 28$_{ 6,22}$--28$_{ 5,23}$ & 235~803.318 & 11 & 112 & 13.6 & 131 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 528 & 28$_{ 6,23}$--28$_{ 5,24}$ & 235~803.734 & 11 & 112 & 13.6 & 131 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 529 & 27$_{ 6,21}$--27$_{ 5,22}$ & 235~818.908 & 11 & 106 & 13.0 & 131 & Blend with CH$_3$CHO, uncertain baseline \\ 530 & 27$_{ 6,22}$--27$_{ 5,23}$ & 235~819.199 & 11 & 106 & 13.0 & 131 & Blend with CH$_3$CHO, uncertain baseline \\ 531 & 26$_{ 6,20}$--26$_{ 5,21}$ & 235~832.420 & 11 & 100 & 12.5 & 131 & Blend with CH$_3$OCHO \\ 532 & 26$_{ 6,21}$--26$_{ 5,22}$ & 235~832.620 & 11 & 100 & 12.5 & 131 & Blend with CH$_3$OCHO \\ 533 & 25$_{ 6,19}$--25$_{ 5,20}$ & 235~844.025 & 11 & 95 & 12.0 & 131 & Strong CH$_3$OCHO \\ 534 & 25$_{ 6,20}$--25$_{ 5,21}$ & 235~844.161 & 11 & 95 & 12.0 & 131 & Strong CH$_3$OCHO \\ 535 & 24$_{ 6,18}$--24$_{ 5,19}$$^\star$ & 235~853.884 & 12 & 89 & 11.4 & 131 & Blend with CH$_3$OCHO \\ 537 & 23$_{ 6,17}$--23$_{ 5,18}$$^\star$ & 235~862.152 & 12 & 84 & 10.9 & 131 & Strong CH$_3$OCHO and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 539 & 22$_{ 6,16}$--22$_{ 5,17}$$^\star$ & 235~868.978 & 12 & 79 & 10.4 & 131 & Strong CH$_3$OCHO and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 541 & 21$_{ 6,15}$--21$_{ 5,16}$$^\star$ & 235~874.503 & 13 & 75 & 9.9 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 543 & 6$_{ 6, 0}$-- 6$_{ 5, 1}$$^\star$ & 235~877.922 & 15 & 30 & 0.9 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 545 & 20$_{ 6,14}$--20$_{ 5,15}$$^\star$ & 235~878.862 & 13 & 70 & 9.3 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 547 & 7$_{ 6, 1}$-- 7$_{ 5, 2}$$^\star$ & 235~879.246 & 15 & 32 & 1.7 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 549 & 8$_{ 6, 2}$-- 8$_{ 5, 3}$$^\star$ & 235~880.638 & 15 & 33 & 2.4 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 551 & 9$_{ 6, 3}$-- 9$_{ 5, 4}$$^\star$ & 235~882.048 & 15 & 35 & 3.1 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ \hline 553 & 19$_{ 6,13}$--19$_{ 5,14}$$^\star$ & 235~882.182 & 13 & 66 & 8.8 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 555 & 10$_{ 6, 4}$--10$_{ 5, 5}$$^\star$ & 235~883.423 & 15 & 37 & 3.7 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 557 & 18$_{ 6,12}$--18$_{ 5,13}$$^\star$ & 235~884.587 & 13 & 62 & 8.2 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 559 & 11$_{ 6, 5}$--11$_{ 5, 6}$$^\star$ & 235~884.702 & 15 & 40 & 4.3 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 561 & 12$_{ 6, 6}$--12$_{ 5, 7}$$^\star$ & 235~885.818 & 15 & 42 & 4.9 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 563 & 17$_{ 6,11}$--17$_{ 5,12}$$^\star$ & 235~886.191 & 14 & 58 & 7.7 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 565 & 13$_{ 6, 7}$--13$_{ 5, 8}$$^\star$ & 235~886.698 & 14 & 45 & 5.5 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 567 & 16$_{ 6,10}$--16$_{ 5,11}$$^\star$ & 235~887.104 & 14 & 55 & 7.2 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 569 & 14$_{ 6, 8}$--14$_{ 5, 9}$$^\star$ & 235~887.263 & 14 & 48 & 6.1 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ 571 & 15$_{ 6, 9}$--15$_{ 5,10}$$^\star$ & 235~887.429 & 14 & 51 & 6.6 & 131 & Strong $^{13}$CH$_3$OH, CH$_3$OCHO, and HC$^{13}$CCN, $\varv_6$ = 1 \\ \hline 573 & 53$_{ 2,51}$--52$_{ 2,50}$ & 236~363.740 & 13 & 299 & 684.6 & 37 & Strong CH$_2$CH$^{13}$CN \\ 574 & 53$_{ 3,50}$--52$_{ 3,49}$ & 236~507.754 & 18 & 303 & 683.6 & 37 & Strong HC$_3$N \\ \hline 575 & 54$_{ 3,51}$--53$_{ 3,50}$ & 241~020.744 & 20 & 314 & 696.6 & 216 & Strong C$^{34}$S \\ 576 & 55$_{ 2,54}$--54$_{ 2,53}$ & 241~040.003 & 19 & 318 & 710.3 & 216 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 2 and CH$_3$OH \\ \hline 577 & 55$_{ 4,51}$--54$_{ 4,50}$ & 244~110.418 & 14 & 332 & 707.8 & 46 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, C$_2$H$_3$CN, $\varv_{11}$ = 1, and $U$-line \\ 578 & 55$_{ 2,53}$--54$_{ 2,52}$ & 245~118.648 & 14 & 322 & 710.4 & 72 & Blend with CH$_2$NH \\ 579 & 56$_{ 2,55}$--55$_{ 2,54}$ & 245~359.219 & 21 & 329 & 723.3 & 72 & Strong $^{13}$CH$_3$CH$_2$CN \\ 580 & 55$_{ 3,52}$--54$_{ 3,51}$ & 245~530.359 & 22 & 326 & 709.6 & 72 & Strong HCC$^{13}$CN, $\varv_7$ = 1 and $^{13}$CH$_3$CH$_2$CN \\ \hline 581 & 58$_{ 1,57}$--57$_{ 2,56}$ & 247~309.555 & 23 & 353 & 33.7 & 68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 582 & 56$_{ 3,54}$--55$_{ 3,53}$ & 247~311.322 & 10 & 336 & 722.3 & 68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ \hline 583 & 57$_{10,47}$--56$_{10,46}$$^\star$ & 251~977.746 & 9 & 442 & 714.8 & 42 & Strong CH$_3$OH \\ 585 & 57$_{11,46}$--56$_{11,45}$$^\star$ & 251~978.622 & 9 & 463 & 709.9 & 42 & Strong CH$_3$OH \\ 587 & 57$_{12,45}$--56$_{12,44}$$^\star$ & 251~988.044 & 9 & 487 & 704.7 & 42 & Strong CH$_3$OH \\ 589 & 57$_{ 9,49}$--56$_{ 9,48}$$^\star$ & 251~988.316 & 8 & 422 & 719.0 & 42 & Strong CH$_3$OH \\ 591 & 57$_{13,44}$--56$_{13,43}$$^\star$ & 252~004.207 & 10 & 512 & 699.1 & 42 & Strong C$_2$H$_5$CN \\ 593 & 57$_{ 8,50}$--56$_{ 8,49}$$^\star$ & 252~015.263 & 9 & 405 & 722.9 & 42 & Strong C$_2$H$_5$CN and $^{13}$CH$_2$CO \\ 595 & 57$_{14,43}$--56$_{14,42}$$^\star$ & 252~025.947 & 10 & 540 & 692.9 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 597 & 57$_{15,42}$--56$_{15,41}$$^\star$ & 252~052.483 & 11 & 570 & 686.4 & 42 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 599 & 57$_{ 7,51}$--56$_{ 7,50}$ & 252~067.511 & 9 & 389 & 726.4 & 42 & Blend with t-HCOOH \\ 600 & 57$_{ 7,50}$--56$_{ 7,49}$ & 252~067.645 & 9 & 389 & 726.4 & 42 & Blend with t-HCOOH \\ 601 & 57$_{16,41}$--56$_{16,40}$$^\star$ & 252~083.278 & 11 & 602 & 679.4 & 42 & Strong t-HCOOH and CH$_3$OH \\ 603 & 57$_{17,40}$--56$_{17,39}$$^\star$ & 252~117.956 & 11 & 636 & 671.9 & 42 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_2$(OH)CHO \\ 605 & 57$_{18,39}$--56$_{18,38}$$^\star$ & 252~156.248 & 12 & 671 & 664.0 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 607 & 57$_{ 6,52}$--56$_{ 6,51}$ & 252~161.456 & 10 & 376 & 729.2 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 608 & 57$_{ 6,51}$--56$_{ 6,50}$ & 252~165.248 & 10 & 376 & 729.2 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 609 & 59$_{ 1,58}$--58$_{ 2,57}$ & 252~195.854 & 23 & 365 & 34.8 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 610 & 57$_{19,38}$--56$_{19,37}$$^\star$ & 252~197.960 & 12 & 709 & 655.6 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 612 & 57$_{20,37}$--56$_{20,36}$$^\star$ & 252~242.951 & 14 & 749 & 646.7 & 42 & Strong C$_2$H$_5$CN and CH$_3$OH \\ 614 & 57$_{21,36}$--56$_{21,35}$$^\star$ & 252~291.118 & 17 & 791 & 637.4 & 42 & Blend with $U$-line and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 616 & 57$_{ 5,53}$--56$_{ 5,52}$ & 252~310.240 & 11 & 365 & 731.8 & 42 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $^{13}$CH$_3$CH$_2$CN, uncertain \\ & & & & & & & baseline \\ 617 & 57$_{ 4,54}$--56$_{ 4,53}$ & 252~367.776 & 11 & 355 & 733.8 & 42 & Strong CH$_3$OCH$_3$ and $^{13}$CH$_3$OH \\ 618 & 57$_{ 5,52}$--56$_{ 5,51}$ & 252~380.765 & 11 & 365 & 731.8 & 42 & Blend with $^{13}$CH$_3$CH$_2$CN \\ \hline 619 & 58$_{ 2,57}$--57$_{ 2,56}$ & 253~991.392 & 28 & 353 & 749.1 & 32 & Blend with NS and CH$_3$OH in absorption \\ \hline %&&&&&&& \\[-8pt] 620 & 59$_{ 1,59}$--58$_{ 1,58}$ & 255~355.480 & 56 & 358 & 762.9 & 217 & Strong $^{13}$CH$_3$OH \\ 621 & 59$_{ 0,59}$--58$_{ 0,58}$ & 255~388.370 & 56 & 358 & 762.8 & 217 & Strong OCS, CH$_2$$^{13}$CHCN, and CH$_2$CH$^{13}$CN \\ \hline 622 & 58$_{ 2,56}$--57$_{ 2,55}$ & 258~190.922 & 16 & 358 & 749.2 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 and C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 623 & 59$_{ 2,58}$--58$_{ 2,57}$ & 258304.475 & 32 & 365 & 762.1 & 1127 & Blend with CH$_3$CN, $\varv_8$ = 1 \\ \hline 624 & 59$_{ 1,58}$--58$_{ 1,57}$ & 258~877.691 & 30 & 365 & 762.2 & 1609 & Noisy \\ 625 & 58$_{ 3,55}$--57$_{ 3,54}$ & 259~034.024 & 30 & 362 & 748.4 & 1609 & Strong $^{13}$CH$_3$OH and $^{13}$CH$_2$CHCN \\ \hline 626 & 59$_{ 3,57}$--58$_{ 3,56}$ & 260~422.403 & 15 & 372 & 761.3 & 413 & Strong CH$_3$OCHO and C$_2$H$_5$CN \\ \hline 627 & 60$_{ 1,59}$--59$_{ 1,58}$ & 263~146.854 & 35 & 377 & 775.1 & 74 & Blend with $^{13}$CH$_3$CH$_2$CN, baseline problem \\ 628 & 59$_{ 3,56}$--58$_{ 3,55}$ & 263~525.388 & 34 & 374 & 761.5 & 74 & Strong CH$_3$OCH$_3$ \\ 629 & 16$_{ 5,12}$--15$_{ 4,11}$ & 263~780.394 & 11 & 42 & 6.3 & 108 & Strong HC$_3$N and CH$_3$OH, $\varv_t$ = 1 \\ 630 & 16$_{ 5,11}$--15$_{ 4,12}$ & 263~780.579 & 11 & 42 & 6.3 & 108 & Strong HC$_3$N and CH$_3$OH, $\varv_t$ = 1 \\ 631 & 61$_{ 1,61}$--60$_{ 1,60}$ & 263~943.020 & 70 & 382 & 788.7 & 108 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO \\ 632 & 61$_{ 0,61}$--60$_{ 0,60}$ & 263~969.205 & 70 & 382 & 788.7 & 108 & Blend with HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3, C$_2$H$_5$CN, $\varv_{20}$ = 1, and CH$_3$$^{13}$CH$_2$CN \\ \hline 633 & 7$_{ 6, 1}$-- 6$_{ 5, 2}$$^\star$ & 266~831.913 & 15 & 30 & 5.4 & 91 & Strong CH$_3$OCHO, CH$_2$$^{13}$CHCN, and CH$_3$OH \\ 635 & 60$_{ 2,58}$--59$_{ 2,57}$ & 266~865.326 & 17 & 383 & 775.0 & 91 & Strong CH$_3$OH, $\varv_t$ = 1 \\ 636 & 61$_{ 2,60}$--60$_{ 2,59}$ & 266~924.955 & 41 & 390 & 787.9 & 91 & Blend with CH$_3$OCHO, C$_2$H$_5$CN, C$_2$H$_3$CN, SO$_2$, and $U$-line \\ \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}