\begin{table}%t7 \caption{\label{t:prcn-g}Transitions of the \textit{gauche}-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 \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}$$^d$} & \multicolumn{1}{c}{$S\mu^2$} & \multicolumn{1}{c}{$\sigma^e$} & \multicolumn{1}{c}{Comments} \\ & & \multicolumn{1}{c}{\scriptsize (MHz)} & \multicolumn{1}{c}{\scriptsize (kHz)} & \multicolumn{1}{c}{\scriptsize (K)} & \multicolumn{1}{c}{\scriptsize (D$^2$)} & \multicolumn{1}{c}{\scriptsize (mK)} & \\ \multicolumn{1}{c}{(1)} & \multicolumn{1}{c}{(2)} & \multicolumn{1}{c}{(3)} & \multicolumn{1}{c}{(4)} & \multicolumn{1}{c}{(5)} & \multicolumn{1}{c}{(6)} & \multicolumn{1}{c}{(7)} & \multicolumn{1}{c}{(8)} \\ \hline 1 & 17$_{ 9, 9}$--16$_{ 9, 8}$$^\star$ & 101~965.911 & 6 & 199 & 262.1 & 34 & Blend with $U$-line \\ 3 & 17$_{ 8,10}$--16$_{ 8, 9}$$^\star$ & 102~048.097 & 6 & 193 & 283.5 & 34 & Blend with NH$_2$CHO, $\varv_{12}$ = 1 \\ 5 & 29$_{ 2,27}$--29$_{ 1,28}$ & 102~048.362 & 6 & 253 & 66.0 & 34 & Blend with NH$_2$CHO, $\varv_{12}$ = 1 \\ 6 & 34$_{ 5,30}$--34$_{ 3,31}$ & 102~175.037 & 5 & 308 & 17.0 & 30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and \\ & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 7 & 17$_{ 7,11}$--16$_{ 7,10}$ & 102~176.110 & 6 & 188 & 302.4 & 30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and \\ & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 8 & 17$_{ 7,10}$--16$_{ 7, 9}$ & 102~176.872 & 6 & 188 & 302.3 & 30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and \\ & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 9 & 19$_{ 0,19}$--18$_{ 0,18}$ & 104~811.610 & 6 & 179 & 403.9 & 25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$OH \\ 10 & 20$_{ 8,12}$--20$_{ 7,13}$ & 104~813.646 & 6 & 210 & 89.8 & 25 & Blend with C$_2$H$_5$OH, C$_2$H$_3$CN, $\varv_{11}$ = 1, CH$_3$$^{13}$CH$_2$CN, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 11 & 18$_{10, 8}$--17$_{10, 7}$$^\star$ & 107~933.825 & 6 & 210 & 266.5 & 46 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, and $U$-line \\ 13 & 18$_{ 9,10}$--17$_{ 9, 9}$$^\star$ & 107~999.345 & 6 & 204 & 289.1 & 46 & Blend with $U$-line \\ 15 & 18$_{ 8,11}$--17$_{ 8,10}$$^\star$ & 108~098.501 & 6 & 198 & 309.4 & 48 & Blend with $U$-line \\ 17 & 18$_{ 7,12}$--17$_{ 7,11}$ & 108~252.103 & 6 & 193 & 327.2 & 48 & Blend with $U$-line \\ 18 & 18$_{ 7,11}$--17$_{ 7,10}$ & 108~253.743 & 6 & 193 & 327.2 & 48 & Blend with $U$-line \\ 19 & 18$_{ 4,15}$--17$_{ 4,14}$ & 108~520.203 & 7 & 182 & 365.9 & 20 & Blend with C$_2$H$_5$OH \\ 20 & 18$_{ 2,16}$--17$_{ 2,15}$ & 108~793.066 & 7 & 179 & 375.5 & 20 & Blend with $^{13}$CN in absorption and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 21 & 19$_{ 2,18}$--18$_{ 2,17}$ & 108~827.746 & 7 & 182 & 399.0 & 20 & Blend with $^{13}$CN in absorption and $U$-line? \\ 22 & 19$_{ 1,18}$--18$_{ 1,17}$ & 109~039.231 & 7 & 182 & 399.0 & 29 & Blend with C$_2$H$_3$CN and $U$-line? \\ 23 & 20$_{ 1,20}$--19$_{ 1,19}$ & 110~209.409 & 6 & 184 & 425.4 & 24 & Blend with $^{13}$CO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 24 & 20$_{ 0,20}$--19$_{ 0,19}$ & 110~214.195 & 6 & 184 & 425.4 & 24 & Blend with $^{13}$CO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 25 & 18$_{ 4,14}$--17$_{ 4,13}$ & 111~109.974 & 6 & 182 & 366.9 & 25 & Blend with $U$-line \\ 26 & 18$_{ 3,15}$--17$_{ 3,14}$ & 112~088.070 & 7 & 181 & 375.2 & 42 & Blend with $U$-line \\ 27 & 19$_{ 3,17}$--18$_{ 3,16}$ & 112~370.034 & 7 & 185 & 394.3 & 42 & Blend with CH$_3$CH$_3$CO and CH$_3$OCH$_3$ \\ 28 & 19$_{15, 4}$--18$_{15, 3}$$^\star$ & 113~832.488 & 7 & 258 & 153.3 & 34 & Blend with C$_2$H$_3$CN and $U$-line \\ 30 & 19$_{16, 3}$--18$_{16, 2}$$^\star$ & 113~833.361 & 7 & 268 & 118.4 & 34 & Blend with C$_2$H$_3$CN and $U$-line \\ 32 & 19$_{12, 7}$--18$_{12, 6}$$^\star$ & 113~872.326 & 6 & 230 & 244.6 & 34 & Blend with C$_2$H$_5$OH and $U$-line \\ 34 & 19$_{11, 8}$--18$_{11, 7}$$^\star$ & 113~907.356 & 6 & 223 & 270.5 & 34 & Strong C$_2$H$_3$CN \\ 36 & 19$_{10,10}$--18$_{10, 9}$$^\star$ & 113~960.196 & 6 & 216 & 294.2 & 33 & Blend with C$_2$H$_3$CN \\ 38 & 19$_{ 9,11}$--18$_{ 9,10}$$^\star$ & 114~038.886 & 6 & 209 & 315.7 & 33 & Blend with $U$-line \\ 40 & 19$_{ 2,17}$--18$_{ 2,16}$ & 114~077.162 & 7 & 184 & 396.3 & 33 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 and $U$-line \\ 41 & 19$_{ 8,12}$--18$_{ 8,11}$ & 114~157.197 & 6 & 203 & 334.8 & 33 & Blend with $U$-line \\ 42 & 19$_{ 8,11}$--18$_{ 8,10}$ & 114~157.321 & 6 & 203 & 334.8 & 33 & Blend with $U$-line \\ 43 & 20$_{ 2,19}$--19$_{ 2,18}$ & 114~255.098 & 6 & 187 & 420.4 & 33 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 44 & 19$_{ 7,13}$--18$_{ 7,12}$ & 114~339.524 & 6 & 198 & 351.7 & 33 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and NH$_2$CHO \\ 45 & 20$_{ 1,19}$--19$_{ 1,18}$ & 114~399.053 & 6 & 187 & 420.3 & 33 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line? \\ 46 & 19$_{ 4,16}$--18$_{ 4,15}$ & 114~451.328 & 7 & 187 & 388.1 & 37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and c-C$_2$H$_4$O \\ 47 & 19$_{ 6,14}$--18$_{ 6,13}$ & 114~615.647 & 6 & 194 & 366.3 & 37 & Strong H$^{13}$CCCN and C$_2$H$_3$CN \\ 48 & 19$_{ 6,13}$--18$_{ 6,12}$ & 114~676.990 & 6 & 194 & 366.4 & 37 & Blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3 and $U$-line \\ 49 & 20$_{ 2,19}$--19$_{ 1,18}$ & 114~679.259 & 7 & 187 & 130.0 & 37 & Blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3 and $U$-line \\ 50 & 19$_{ 5,15}$--18$_{ 5,14}$ & 114~881.716 & 6 & 190 & 378.6 & 59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and CH$_2$(OH)CHO \\ 51 & 19$_{ 5,14}$--18$_{ 5,13}$ & 115~556.072 & 6 & 190 & 378.7 & 60 & Blend with C$_2$H$_3$CN, NS, and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 52 & 21$_{ 0,21}$--20$_{ 1,20}$ & 115~609.125 & 6 & 189 & 174.8 & 79 & Blend with CH$_2$NH and $U$-line? \\ 53 & 21$_{ 1,21}$--20$_{ 1,20}$ & 115~613.838 & 6 & 189 & 446.8 & 79 & Blend with CH$_2$NH and CH$_3$CHO \\ 54 & 21$_{ 0,21}$--20$_{ 0,20}$ & 115~616.804 & 6 & 189 & 446.8 & 79 & Blend with CH$_2$NH and CH$_3$CHO \\ \hline 55 & 24$_{ 5,20}$--23$_{ 5,19}$ & 145~147.268 & 6 & 221 & 491.0 & 25 & Strong C$_2$H$_3$CN \\ 56 & 25$_{ 3,23}$--24$_{ 3,22}$ & 145~354.256 & 6 & 221 & 522.8 & 25 & Blend with HC$_3$N, $\varv_4$ = 1 \\ 57 & 24$_{ 6,19}$--23$_{ 6,18}$ & 145~359.467 & 6 & 224 & 481.8 & 25 & Blend with HC$_3$N, $\varv_4$ = 1 \\ \hline 58 & 26$_{ 4,23}$--25$_{ 4,22}$ & 154~516.394 & 5 & 232 & 540.1 & 112 & Blend with NH$_2$CH$_2$CN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \hline %&&&&&&& \\[-8pt] 59 & 27$_{ 7,21}$--26$_{ 7,20}$ & 163~471.366 & 5 & 250 & 539.4 & 38 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 and NH$_2$CH$_2$CN \\ 60 & 12$_{ 7, 6}$--11$_{ 6, 5}$ & 163~626.490 & 12 & 164 & 62.4 & 38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ 61 & 12$_{ 7, 5}$--11$_{ 6, 6}$ & 163~626.670 & 12 & 164 & 62.4 & 38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ 62 & 27$_{ 6,22}$--26$_{ 6,21}$ & 163~729.422 & 5 & 246 & 549.4 & 38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ \hline 63 & 28$_{ 3,25}$--27$_{ 3,24}$ & 166~501.674 & 5 & 247 & 583.3 & 66 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$CN, $\varv_8$ = 2 \\ \hline 64 & 30$_{ 3,28}$--29$_{ 2,27}$ & 172~509.803 & 5 & 258 & 186.7 & 44 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \hline %&&&&&&& \\[-8pt] 65 & 24$_{13,11}$--24$_{12,12}$$^\star$ & 176~027.815 & 8 & 268 & 88.7 & 365 & Blend with HNCO, $\varv_5$ = 1 and $^{13}$CH$_2$CO \\ 67 & 23$_{13,10}$--23$_{12,11}$$^\star$ & 176~085.591 & 8 & 261 & 82.2 & 365 & Blend with CH$_3$OCH$_3$ \\ 69 & 22$_{13, 9}$--22$_{12,10}$$^\star$ & 176~134.711 & 8 & 254 & 75.7 & 365 & Blend with HNCO, $\varv_6$ = 1 and HNCO, $\varv_5$ = 1 \\ \hline 71 & 37$_{ 0,37}$--36$_{ 1,36}$$^\star$ & 201~966.900 & 11 & 309 & 321.5 & 138 & Blend with CH$_3$CN \\ 73 & 37$_{ 0,37}$--36$_{ 0,36}$$^\star$ & 201~966.902 & 11 & 309 & 789.3 & 138 & Blend with CH$_3$CN \\ 75 & 33$_{ 5,29}$--32$_{ 4,28}$ & 201~985.474 & 6 & 293 & 131.9 & 138 & Blend with CH$_3$OH \\ \hline 76 & 34$_{ 5,30}$--33$_{ 5,29}$ & 202~090.888 & 6 & 303 & 707.1 & 138 & Strong CH$_2$CO \\ 77 & 56$_{ 3,53}$--56$_{ 3,54}$$^\star$ & 202~474.090 & 224 & 572 & 15.7 & 108 & Blend with $U$-line and H$_2$CS \\ 79 & 56$_{ 4,53}$--56$_{ 3,54}$$^\star$ & 202~474.109 & 224 & 572 & 100.1 & 108 & Blend with $U$-line and H$_2$CS \\ 81 & 41$_{15,26}$--41$_{14,27}$$^\star$ & 202~477.934 & 26 & 447 & 185.2 & 108 & Blend with $U$-line and H$_2$CS \\ 83 & 40$_{15,25}$--40$_{14,26}$$^\star$ & 202~689.659 & 25 & 435 & 178.9 & 108 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 and NH$_2$CHO \\ 85 & 33$_{ 7,26}$--32$_{ 7,25}$ & 202~881.421 & 5 & 302 & 675.4 & 138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 86 & 39$_{15,24}$--39$_{14,25}$$^\star$ & 202~883.694 & 24 & 423 & 172.6 & 138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 88 & 38$_{15,23}$--38$_{14,24}$$^\star$ & 203~061.073 & 23 & 412 & 166.3 & 138 & Blend with $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$OCHO \\ 90 & 34$_{ 4,30}$--33$_{ 4,29}$ & 203~180.785 & 6 & 303 & 707.8 & 138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 91 & 37$_{15,22}$--37$_{14,23}$$^\star$ & 203~222.780 & 23 & 401 & 160.0 & 138 & Blend with $^{34}$SO$_2$ \\ 93 & 35$_{ 3,32}$--34$_{ 4,31}$ & 203~290.077 & 6 & 308 & 195.3 & 161 & Blend with C$_2$H$_5$OCHO, CH$_3$CN, $\varv_8$ = 2, and $U$-line \\ 94 & 36$_{15,21}$--36$_{14,22}$$^\star$ & 203~369.755 & 22 & 390 & 153.7 & 161 & Strong CH$_3$OCH$_3$ \\ 96 & 35$_{ 4,32}$--34$_{ 4,31}$ & 203~466.519 & 6 & 308 & 732.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and CH$_3$OCHO \\ 97 & 35$_{15,20}$--35$_{14,21}$$^\star$ & 203~502.897 & 22 & 380 & 147.5 & 161 & Blend with $^{34}$SO$_2$ \\ 99 & 35$_{ 3,32}$--34$_{ 3,31}$ & 203~552.465 & 6 & 308 & 732.0 & 161 & Blend with CH$_3$CN, $\varv_8$ = 2 and H$^{13}$CCCN, $\varv_7$ = 1 \\ 100 & 34$_{15,19}$--34$_{14,20}$$^\star$ & 203~623.068 & 22 & 370 & 141.2 & 161 & Blend with CH$_3$OCH$_3$ \\ 102 & 35$_{ 4,32}$--34$_{ 3,31}$ & 203~728.907 & 6 & 308 & 195.4 & 364 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 103 & 33$_{15,18}$--33$_{14,19}$$^\star$ & 203~731.092 & 21 & 360 & 135.0 & 364 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 105 & 34$_{20,14}$--33$_{20,13}$$^\star$ & 203~795.929 & 10 & 429 & 476.3 & 364 & Strong C$_2$H$_3$CN \\ 107 & 34$_{21,13}$--33$_{21,12}$$^\star$ & 203~796.393 & 10 & 443 & 450.5 & 364 & Strong C$_2$H$_3$CN \\ 109 & 34$_{22,12}$--33$_{22,11}$$^\star$ & 203~805.898 & 11 & 457 & 423.4 & 364 & Strong C$_2$H$_3$CN \\ 111 & 34$_{19,15}$--33$_{19,14}$$^\star$ & 203~805.992 & 10 & 416 & 500.8 & 364 & Strong C$_2$H$_3$CN \\ 113 & 34$_{23,11}$--33$_{23,10}$$^\star$ & 203~823.272 & 12 & 473 & 395.0 & 364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 115 & 32$_{15,17}$--32$_{14,18}$$^\star$ & 203~827.761 & 21 & 351 & 128.7 & 364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 117 & 34$_{18,16}$--33$_{18,15}$$^\star$ & 203~828.503 & 10 & 403 & 524.2 & 364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 119 & 14$_{ 9, 6}$--13$_{ 8, 5}$$^\star$ & 203~835.897 & 12 & 180 & 80.1 & 364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 121 & 34$_{24,10}$--33$_{24, 9}$$^\star$ & 203~847.587 & 14 & 488 & 365.4 & 364 & Blend with CH$_3$OCHO and C$_2$H$_5$OH \\ 123 & 65$_{14,52}$--64$_{15,49}$ & 203~856.381 & 379 & 809 & 80.4 & 364 & Blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 124 & 34$_{17,17}$--33$_{17,16}$$^\star$ & 203~865.981 & 10 & 392 & 546.2 & 364 & Blend with CH$_3$OCHO \\ 126 & 34$_{25, 9}$--33$_{25, 8}$$^\star$ & 203~878.090 & 15 & 505 & 334.5 & 364 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 128 & 31$_{15,16}$--31$_{14,17}$$^\star$ & 203~913.834 & 21 & 342 & 122.4 & 364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 130 & 34$_{26, 8}$--33$_{26, 7}$$^\star$ & 203~914.173 & 17 & 522 & 302.4 & 364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 132 & 34$_{16,18}$--33$_{16,17}$$^\star$ & 203~921.785 & 10 & 380 & 567.0 & 364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 134 & 34$_{27, 7}$--33$_{27, 6}$$^\star$ & 203~955.332 & 20 & 540 & 269.0 & 364 & Blend with $U$-line \\ 136 & 33$_{ 5,28}$--32$_{ 5,27}$ & 203~957.407 & 6 & 296 & 687.9 & 364 & Blend with $U$-line \\ 137 & 30$_{15,15}$--30$_{14,16}$$^\star$ & 203~990.040 & 20 & 333 & 116.1 & 364 & Blend with C$_2$H$_5$CN and C$_2$H$_3$CN, $\varv_{11}$ = 3 \\ 139 & 34$_{15,19}$--33$_{15,18}$$^\star$ & 204~000.498 & 9 & 370 & 586.5 & 364 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 3 and C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 141 & 34$_{28, 6}$--33$_{28, 5}$$^\star$ & 204~001.151 & 22 & 558 & 234.3 & 364 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 3 and C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 143 & 34$_{29, 5}$--33$_{29, 4}$$^\star$ & 204~051.281 & 26 & 577 & 198.4 & 364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 145 & 29$_{15,14}$--29$_{14,15}$$^\star$ & 204~057.079 & 20 & 324 & 109.7 & 364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 147 & 64$_{ 6,58}$--64$_{ 6,59}$ & 204~063.746 & 316 & 734 & 27.7 & 364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 148 & 64$_{ 6,58}$--64$_{ 5,59}$ & 204~064.065 & 316 & 734 & 201.8 & 364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 149 & 34$_{30, 4}$--33$_{30, 3}$$^\star$ & 204~105.426 & 30 & 597 & 161.3 & 316 & Blend with $U$-line \\ 151 & 34$_{14,20}$--33$_{14,19}$$^\star$ & 204~108.522 & 9 & 360 & 604.7 & 316 & Blend with $U$-line \\ 153 & 28$_{15,13}$--28$_{14,14}$$^\star$ & 204~115.622 & 20 & 316 & 103.3 & 316 & Blend with $U$-line \\ 155 & 34$_{31, 3}$--33$_{31, 2}$$^\star$ & 204~163.336 & 36 & 618 & 122.8 & 316 & Strong CH$_3$OCH$_3$, C$_2$H$_3$CN, $\varv_{11}$ = 1, and $^{13}$CH$_2$CHCN \\ 157 & 27$_{15,12}$--27$_{14,13}$$^\star$ & 204~166.316 & 20 & 308 & 96.9 & 316 & Strong CH$_3$OCH$_3$, C$_2$H$_3$CN, $\varv_{11}$ = 1, and $^{13}$CH$_2$CHCN \\ 159 & 22$_{ 6,17}$--21$_{ 5,16}$ & 204~205.122 & 12 & 208 & 60.2 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 160 & 26$_{15,11}$--26$_{14,12}$$^\star$ & 204~209.781 & 20 & 300 & 90.4 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 162 & 25$_{15,10}$--25$_{14,11}$$^\star$ & 204~246.611 & 20 & 292 & 83.8 & 316 & Strong SO$_2$ \\ 164 & 34$_{13,22}$--33$_{13,21}$$^\star$ & 204~255.076 & 8 & 351 & 621.9 & 316 & Strong SO$_2$ \\ 166 & 24$_{15, 9}$--24$_{14,10}$$^\star$ & 204~277.378 & 20 & 285 & 77.2 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 168 & 52$_{ 1,51}$--52$_{ 0,52}$$^\star$ & 204~278.834 & 248 & 495 & 33.4 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 170 & 52$_{ 2,51}$--52$_{ 1,52}$$^\star$ & 204~278.834 & 248 & 495 & 33.4 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 172 & 23$_{15, 8}$--23$_{14, 9}$$^\star$ & 204~302.630 & 20 & 278 & 70.4 & 316 & Strong C$_2$H$_5$CN \\ 174 & 22$_{15, 7}$--22$_{14, 8}$$^\star$ & 204~322.890 & 20 & 272 & 63.5 & 316 & Blend with C$_2$H$_5$CN and $U$-line \\ 176 & 21$_{15, 6}$--21$_{14, 7}$$^\star$ & 204~338.662 & 20 & 265 & 56.5 & 316 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 178 & 20$_{15, 5}$--20$_{14, 6}$$^\star$ & 204~350.423 & 21 & 259 & 49.3 & 316 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 180 & 19$_{15, 4}$--19$_{14, 5}$$^\star$ & 204~358.632 & 21 & 253 & 41.9 & 316 & Blend with CH$_3$CH$_3$CO \\ 182 & 18$_{15, 3}$--18$_{14, 4}$$^\star$ & 204~363.725 & 21 & 248 & 34.2 & 316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 184 & 15$_{15, 0}$--15$_{14, 1}$$^\star$ & 204~364.340 & 22 & 233 & 9.2 & 316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 186 & 17$_{15, 2}$--17$_{14, 3}$$^\star$ & 204~366.116 & 21 & 243 & 26.3 & 316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 188 & 16$_{15, 1}$--16$_{14, 2}$$^\star$ & 204~366.197 & 22 & 238 & 18.0 & 316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 190 & 60$_{12,49}$--59$_{13,46}$ & 204~450.542 & 260 & 701 & 72.3 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ \hline 191 & 34$_{12,23}$--33$_{12,22}$$^\star$ & 204~453.939 & 8 & 343 & 637.5 & 316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ \hline %&&&&&&& \\[-8pt] 193 & 34$_{10,25}$--33$_{10,24}$ & 205~107.534 & 6 & 328 & 665.3 & 100 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 194 & 34$_{10,24}$--33$_{10,23}$ & 205~113.060 & 6 & 328 & 665.2 & 100 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 195 & 34$_{ 6,29}$--33$_{ 6,28}$ & 205~176.196 & 6 & 307 & 703.2 & 100 & Blend with CH$_3$CHO and CH$_3$$^{13}$CH$_2$CN \\ 196 & 35$_{ 4,31}$--34$_{ 5,30}$ & 205~501.651 & 7 & 313 & 152.2 & 100 & Strong CH$_3$OCHO and c-C$_2$H$_4$O \\ 197 & 34$_{ 9,26}$--33$_{ 9,25}$ & 205~639.058 & 6 & 322 & 677.2 & 271 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$CN \\ 198 & 34$_{ 9,25}$--33$_{ 9,24}$ & 205~708.710 & 6 & 322 & 677.2 & 271 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$OCH$_3$ \\ 199 & 33$_{ 6,27}$--32$_{ 6,26}$ & 205~773.682 & 6 & 299 & 685.9 & 271 & Blend with $U$-line and CH$_3$OH in absorption \\ 200 & 12$_{10, 2}$--11$_{ 9, 3}$$^\star$ & 205~968.115 & 12 & 179 & 87.1 & 271 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and CH$_3$COOH \\ 202 & 37$_{ 1,36}$--36$_{ 2,35}$ & 206~014.847 & 7 & 315 & 287.3 & 280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 203 & 37$_{ 2,36}$--36$_{ 2,35}$$^\star$ & 206~014.958 & 7 & 315 & 783.9 & 280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 205 & 37$_{ 2,36}$--36$_{ 1,35}$ & 206~015.138 & 7 & 315 & 287.3 & 280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 206 & 34$_{ 5,30}$--33$_{ 4,29}$ & 206~035.987 & 6 & 303 & 142.4 & 280 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$CN \\ 207 & 34$_{ 8,27}$--33$_{ 8,26}$ & 206~266.954 & 6 & 316 & 687.9 & 280 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1, C$_2$H$_5$CN, and CH$_3$OCHO \\ 208 & 34$_{ 7,28}$--33$_{ 7,27}$ & 206~461.559 & 6 & 312 & 696.8 & 106 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 209 & 34$_{ 8,26}$--33$_{ 8,25}$ & 206~887.489 & 6 & 316 & 687.9 & 106 & Blend with C$_2$H$_5$CN \\ 210 & 38$_{ 0,38}$--37$_{ 1,37}$$^\star$ & 207~355.545 & 13 & 318 & 330.6 & 117 & Blend with $^{13}$CH$_2$CHCN and CH$_3$COOH \\ 212 & 38$_{ 0,38}$--37$_{ 0,37}$$^\star$ & 207~355.546 & 13 & 318 & 810.7 & 117 & Blend with $^{13}$CH$_2$CHCN and CH$_3$COOH \\ 214 & 35$_{ 5,31}$--34$_{ 5,30}$ & 207~543.638 & 6 & 313 & 728.4 & 282 & Blend with CH$_3$OCHO and $U$-line \\ 215 & 17$_{ 8,10}$--16$_{ 7, 9}$ & 207~551.813 & 12 & 188 & 75.2 & 282 & Blend with $U$-line \\ 216 & 17$_{ 8, 9}$--16$_{ 7,10}$ & 207~552.401 & 12 & 188 & 75.2 & 282 & Blend with $U$-line \\ 217 & 35$_{ 4,31}$--34$_{ 4,30}$ & 208~356.853 & 6 & 313 & 728.8 & 168 & Strong HC$^{13}$CCN and HCC$^{13}$CN \\ 218 & 36$_{ 3,33}$--35$_{ 4,32}$ & 208~729.722 & 6 & 318 & 204.9 & 160 & Blend with CH$_3$OCHO and $U$-line \\ 219 & 36$_{ 4,33}$--35$_{ 4,32}$ & 208~847.713 & 6 & 318 & 753.3 & 160 & Strong HC$^{13}$CCN, $\varv_6$ = 1 \\ 220 & 36$_{ 3,33}$--35$_{ 3,32}$ & 208~906.164 & 6 & 318 & 753.4 & 160 & Strong C$_2$H$_3$CN and CH$_3$OCHO \\ 221 & 36$_{ 4,33}$--35$_{ 3,32}$ & 209~024.156 & 6 & 318 & 204.9 & 160 & Strong C$_2$H$_3$CN and CH$_3$OCHO \\ 222 & 34$_{ 5,29}$--33$_{ 5,28}$ & 209~279.146 & 6 & 306 & 708.3 & 58 & Blend with NH$_2$CH$_2$CN and CH$_3$CH$_3$CO \\ 223 & 34$_{ 7,27}$--33$_{ 7,26}$ & 209~670.004 & 6 & 312 & 698.1 & 45 & Blend with HCC$^{13}$CN, $\varv_7$ = 2 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 224 & 35$_{21,14}$--34$_{21,13}$$^\star$ & 209~787.936 & 10 & 453 & 479.8 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 226 & 35$_{20,15}$--34$_{20,14}$$^\star$ & 209~790.453 & 10 & 439 & 504.9 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 228 & 35$_{22,13}$--34$_{22,12}$$^\star$ & 209~795.133 & 11 & 467 & 453.5 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 230 & 35$_{19,16}$--34$_{19,15}$$^\star$ & 209~804.307 & 10 & 426 & 528.7 & 45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 232 & 15$_{ 9, 7}$--14$_{ 8, 6}$$^\star$ & 209~810.239 & 12 & 184 & 81.0 & 45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 234 & 35$_{23,12}$--34$_{23,11}$$^\star$ & 209~810.767 & 12 & 482 & 425.9 & 45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 236 & 35$_{18,17}$--34$_{18,16}$$^\star$ & 209~831.596 & 10 & 413 & 551.4 & 45 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 238 & 35$_{24,11}$--34$_{24,10}$$^\star$ & 209~833.824 & 13 & 498 & 397.2 & 45 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 240 & 35$_{25,10}$--34$_{25, 9}$$^\star$ & 209~863.488 & 15 & 515 & 367.2 & 45 & Strong C$_2$H$_5$OH, CH$_3$OCHO, and $^{13}$CH$_3$CH$_2$CN \\ 242 & 35$_{17,18}$--34$_{17,17}$$^\star$ & 209~875.072 & 10 & 401 & 572.9 & 45 & Strong CH$_3$OCHO, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 244 & 35$_{26, 9}$--34$_{26, 8}$$^\star$ & 209~899.094 & 17 & 532 & 336.0 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and $^{13}$CH$_3$CH$_2$CN \\ 246 & 35$_{16,19}$--34$_{16,18}$$^\star$ & 209~938.416 & 10 & 390 & 593.0 & 45 & Strong CH$_3$OCHO and SO$_2$ \\ 248 & 35$_{27, 8}$--34$_{27, 7}$$^\star$ & 209~940.094 & 19 & 550 & 303.6 & 45 & Strong CH$_3$OCHO and SO$_2$ \\ 250 & 35$_{15,20}$--34$_{15,19}$$^\star$ & 210~026.654 & 10 & 380 & 612.0 & 45 & Strong HC$_3$N, $\varv_7$ = 1 \\ 252 & 37$_{ 2,35}$--36$_{ 3,34}$ & 210~086.448 & 6 & 322 & 251.9 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 253 & 37$_{ 3,35}$--36$_{ 3,34}$ & 210~090.303 & 6 & 322 & 779.0 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 254 & 35$_{30, 5}$--34$_{30, 4}$$^\star$ & 210~091.291 & 29 & 607 & 198.9 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 256 & 37$_{ 2,35}$--36$_{ 2,34}$ & 210~092.485 & 6 & 322 & 779.0 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 257 & 37$_{ 3,35}$--36$_{ 2,34}$ & 210~096.339 & 6 & 322 & 251.9 & 45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 258 & 35$_{14,22}$--34$_{14,21}$$^\star$ & 210~146.825 & 9 & 370 & 629.7 & 64 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 260 & 35$_{31, 4}$--34$_{31, 3}$$^\star$ & 210~150.008 & 35 & 628 & 161.6 & 64 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 262 & 35$_{13,23}$--34$_{13,22}$$^\star$ & 210~309.100 & 9 & 361 & 646.3 & 64 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 264 & 35$_{ 5,31}$--34$_{ 4,30}$ & 210~398.840 & 6 & 313 & 152.8 & 64 & Blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 265 & 35$_{12,24}$--34$_{12,23}$$^\star$ & 210~528.754 & 8 & 353 & 661.6 & 64 & Strong HC$_3$N, $\varv_7$ = 2 and C$_2$H$_5$OH \\ 267 & 20$_{ 7,14}$--19$_{ 6,13}$ & 210~694.282 & 12 & 199 & 69.5 & 37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 268 & 35$_{11,25}$--34$_{11,24}$ & 210~829.766 & 7 & 345 & 675.7 & 37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 269 & 35$_{11,24}$--34$_{11,23}$ & 210~830.374 & 7 & 345 & 675.6 & 37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 270 & 20$_{ 7,13}$--19$_{ 6,14}$ & 210~837.991 & 12 & 199 & 69.5 & 37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 271 & 35$_{ 6,30}$--34$_{ 6,29}$ & 210~871.662 & 6 & 317 & 724.7 & 37 & Blend with $U$-line and C$_2$H$_5$OH \\ 272 & 20$_{ 5,15}$--19$_{ 3,16}$ & 210~878.636 & 15 & 192 & 2.3 & 37 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CH$_2$CN, and $U$-line \\ 273 & 35$_{10,26}$--34$_{10,25}$ & 211~249.809 & 7 & 338 & 688.5 & 33 & Strong CH$_3$OCHO \\ 274 & 35$_{10,25}$--34$_{10,24}$ & 211~259.223 & 7 & 338 & 688.5 & 33 & Strong CH$_3$OCHO \\ 275 & 38$_{ 1,37}$--37$_{ 2,36}$$^\star$ & 211~401.390 & 50 & 325 & 296.5 & 33 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 277 & 38$_{ 1,37}$--37$_{ 1,36}$$^\star$ & 211~401.444 & 9 & 325 & 805.2 & 33 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 279 & 36$_{ 4,32}$--35$_{ 5,31}$ & 211~527.010 & 50 & 323 & 162.7 & 47 & Blend with C$_2$H$_3$CN and CH$_3$OCHO \\ 280 & 35$_{ 9,27}$--34$_{ 9,26}$ & 211~828.060 & 50 & 332 & 700.1 & 47 & Blend with $U$-line, C$_2$H$_5$OCHO, and NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ \hline 281 & 35$_{ 9,26}$--34$_{ 9,25}$ & 211~938.010 & 50 & 332 & 700.1 & 36 & Strong NH$_2$$^{13}$CHO and NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ 282 & 13$_{10, 3}$--12$_{ 9, 4}$$^\star$ & 211~955.981 & 12 & 182 & 87.6 & 36 & Strong NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 and NH$_2$$^{13}$CHO \\ 284 & 34$_{ 6,28}$--33$_{ 6,27}$ & 212~120.060 & 50 & 309 & 708.0 & 36 & Strong CH$_3$CHO and NH$_2$$^{13}$CHO \\ 285 & 35$_{ 8,28}$--34$_{ 8,27}$ & 212~458.290 & 50 & 326 & 710.4 & 99 & Blend with C$_2$H$_3$CN and C$_2$H$_5$OH \\ 286 & 35$_{ 7,29}$--34$_{ 7,28}$ & 212~483.750 & 50 & 321 & 719.0 & 99 & Blend with CH$_3$OCHO, a-C$_3$H$_7$CN, and $^{13}$CH$_3$OH, $\varv_t$ = 1 \\ 287 & 39$_{ 1,39}$--38$_{ 1,38}$$^\star$ & 212~743.017 & 15 & 328 & 832.1 & 99 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$OH \\ 289 & 39$_{ 1,39}$--38$_{ 0,38}$$^\star$ & 212~743.018 & 15 & 328 & 339.8 & 99 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$OH \\ 291 & 36$_{ 5,32}$--35$_{ 5,31}$ & 212~972.357 & 6 & 323 & 749.7 & 99 & Blend with $^{13}$CH$_3$CH$_2$CN and $^{34}$SO$_2$ \\ 292 & 35$_{ 8,27}$--34$_{ 8,26}$ & 213~353.646 & 6 & 326 & 710.6 & 48 & Blend with $^{13}$CH$_2$CHCN, C$_2$H$_5$CN, and $U$-line \\ 293 & 18$_{ 8,11}$--17$_{ 7,10}$ & 213~473.443 & 12 & 193 & 76.1 & 48 & Blend with C$_2$H$_5$$^{13}$CN \\ 294 & 50$_{11,40}$--50$_{ 9,41}$ & 213~474.581 & 160 & 532 & 6.1 & 48 & Blend with C$_2$H$_5$$^{13}$CN \\ 295 & 18$_{ 8,10}$--17$_{ 7,11}$ & 213~474.845 & 12 & 193 & 76.1 & 48 & Blend with C$_2$H$_5$$^{13}$CN \\ 296 & 36$_{ 4,32}$--35$_{ 4,31}$ & 213~568.985 & 6 & 323 & 749.9 & 48 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and $^{13}$CH$_2$CHCN \\ 297 & 11$_{11, 0}$--10$_{10, 1}$$^\star$ & 214~056.089 & 12 & 182 & 95.9 & 48 & Strong $^{13}$CH$_3$CN, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 299 & 37$_{ 3,34}$--36$_{ 4,33}$ & 214~147.290 & 50 & 328 & 214.4 & 75 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 300 & 37$_{ 4,34}$--36$_{ 4,33}$ & 214~225.810 & 50 & 328 & 774.6 & 75 & Strong CH$_2$NH, $^{13}$CH$_3$CN, and C$_2$H$_5$CN \\ 301 & 37$_{ 3,34}$--36$_{ 3,33}$ & 214~265.300 & 50 & 328 & 774.6 & 75 & Strong C$_2$H$_5$CN and C$_2$H$_5$OH \\ 302 & 37$_{ 4,34}$--36$_{ 3,33}$ & 214~343.817 & 6 & 328 & 214.4 & 75 & Strong $^{13}$CH$_3$CN and C$_2$H$_5$$^{13}$CN \\ 303 & 35$_{ 5,30}$--34$_{ 5,29}$ & 214~468.257 & 6 & 316 & 728.6 & 75 & Blend with CH$_3$OCH$_3$ \\ 304 & 51$_{16,35}$--51$_{15,36}$ & 214~470.968 & 53 & 591 & 243.9 & 75 & Blend with CH$_3$OCH$_3$ \\ 305 & 51$_{16,36}$--51$_{15,37}$ & 214~471.118 & 53 & 591 & 243.9 & 75 & Blend with CH$_3$OCH$_3$ \\ 306 & 36$_{ 5,32}$--35$_{ 4,31}$ & 215~014.344 & 6 & 323 & 163.1 & 74 & Blend with $^{13}$CH$_3$CN, $\varv_8$ = 1 \\ 307 & 38$_{ 2,36}$--37$_{ 3,35}$ & 215~469.850 & 50 & 332 & 261.1 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 308 & 38$_{ 3,36}$--37$_{ 3,35}$ & 215~472.342 & 7 & 332 & 800.3 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 309 & 38$_{ 2,36}$--37$_{ 2,35}$ & 215~473.742 & 7 & 332 & 800.3 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 310 & 38$_{ 3,36}$--37$_{ 2,35}$ & 215~476.230 & 50 & 332 & 261.1 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 311 & 21$_{ 5,16}$--20$_{ 3,17}$ & 215~480.099 & 15 & 198 & 2.7 & 74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 312 & 16$_{ 9, 8}$--15$_{ 8, 7}$$^\star$ & 215~778.326 & 12 & 189 & 82.0 & 74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 314 & 36$_{21,15}$--35$_{21,14}$$^\star$ & 215~779.220 & 50 & 463 & 508.7 & 74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 316 & 36$_{22,14}$--35$_{22,13}$$^\star$ & 215~783.850 & 50 & 477 & 483.1 & 74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 318 & 36$_{20,16}$--35$_{20,15}$$^\star$ & 215~784.950 & 50 & 449 & 533.2 & 74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 320 & 36$_{23,13}$--35$_{23,12}$$^\star$ & 215~797.530 & 50 & 492 & 456.3 & 74 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 322 & 36$_{19,17}$--35$_{19,16}$$^\star$ & 215~802.872 & 10 & 436 & 556.3 & 74 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 324 & 36$_{24,12}$--35$_{24,11}$$^\star$ & 215~819.220 & 50 & 508 & 428.4 & 55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 326 & 36$_{18,18}$--35$_{18,17}$$^\star$ & 215~835.300 & 50 & 423 & 578.4 & 55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $^{34}$SO \\ 328 & 36$_{25,11}$--35$_{25,10}$$^\star$ & 215~847.810 & 50 & 525 & 399.2 & 55 & Strong $^{34}$SO \\ 330 & 36$_{26,10}$--35$_{26, 9}$$^\star$ & 215~882.850 & 50 & 542 & 368.9 & 55 & Strong $^{13}$CH$_3$OH \\ 332 & 36$_{17,19}$--35$_{17,18}$$^\star$ & 215~885.180 & 50 & 411 & 599.1 & 55 & Strong $^{13}$CH$_3$OH and C$_2$H$_5$OH \\ 334 & 36$_{27, 9}$--35$_{27, 8}$$^\star$ & 215~923.600 & 50 & 560 & 337.4 & 55 & Blend with C$_2$H$_5$OH, CH$_3$COOH, and $U$-line \\ 336 & 36$_{16,20}$--35$_{16,19}$$^\star$ & 215~956.570 & 50 & 400 & 618.7 & 55 & Strong C$_2$H$_5$CN \\ 338 & 36$_{15,21}$--35$_{15,20}$$^\star$ & 216~055.006 & 10 & 390 & 637.2 & 55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 340 & 36$_{14,22}$--35$_{14,21}$$^\star$ & 216~188.170 & 50 & 380 & 654.5 & 55 & Blend with C$_2$H$_5$CN \\ 342 & 36$_{32, 4}$--35$_{32, 3}$$^\star$ & 216~198.450 & 50 & 659 & 161.8 & 55 & Blend with CH$_3$OCHO \\ 344 & 36$_{13,23}$--35$_{13,22}$$^\star$ & 216~367.230 & 50 & 371 & 670.6 & 55 & Strong CH$_3$OCHO and $^{13}$CH$_3$OH \\ 346 & 21$_{ 7,15}$--20$_{ 6,14}$ & 216~386.644 & 12 & 205 & 70.1 & 55 & Blend with $U$-line \\ 347 & 35$_{ 7,28}$--34$_{ 7,27}$ & 216~489.383 & 6 & 322 & 720.8 & 55 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 348 & 36$_{ 6,31}$--35$_{ 6,30}$ & 216~511.289 & 7 & 327 & 746.2 & 55 & Strong CH$_3$CH$_3$CO, $\varv_t$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 349 & 36$_{12,24}$--35$_{12,23}$$^\star$ & 216~609.170 & 50 & 363 & 685.5 & 55 & Blend with CH$_3$COOH \\ 351 & 21$_{ 7,14}$--20$_{ 6,15}$ & 216~649.055 & 12 & 205 & 70.1 & 55 & Strong SO$_2$ \\ 352 & 39$_{ 1,38}$--38$_{ 2,37}$$^\star$ & 216~786.652 & 10 & 335 & 305.7 & 50 & Blend with $U$-line and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 354 & 39$_{ 1,38}$--38$_{ 1,37}$$^\star$ & 216~786.721 & 10 & 335 & 826.7 & 50 & Blend with $U$-line and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 356 & 42$_{16,26}$--42$_{15,27}$$^\star$ & 216~853.893 & 37 & 469 & 186.2 & 50 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 358 & 36$_{11,26}$--35$_{11,25}$ & 216~940.590 & 50 & 355 & 699.1 & 50 & Strong C$_2$H$_3$CN and CH$_3$OH \\ 359 & 36$_{11,25}$--35$_{11,24}$ & 216~941.740 & 50 & 355 & 699.1 & 50 & Strong C$_2$H$_3$CN and CH$_3$OH \\ 360 & 41$_{16,25}$--41$_{15,26}$$^\star$ & 217~028.389 & 36 & 456 & 179.9 & 50 & Blend with CH$_3$CH$_3$CO and $^{13}$CN in absorption \\ 362 & 40$_{16,24}$--40$_{15,25}$$^\star$ & 217~188.266 & 36 & 445 & 173.6 & 50 & Strong CH$_3$OCH$_3$ \\ 364 & 39$_{16,23}$--39$_{15,24}$$^\star$ & 217~334.340 & 35 & 433 & 167.4 & 50 & Blend with CH$_2$$^{13}$CHCN \\ 366 & 37$_{ 4,33}$--36$_{ 5,32}$ & 217~368.200 & 8 & 333 & 173.0 & 50 & Blend with $^{13}$CN in absorption, C$_2$H$_5$$^{13}$CN, and $U$-line? \\ 367 & 36$_{10,27}$--35$_{10,26}$ & 217~402.380 & 50 & 348 & 711.7 & 50 & Strong HC$^{13}$CCN and $^{13}$CH$_3$OH \\ 368 & 36$_{10,26}$--35$_{10,25}$ & 217~418.120 & 50 & 348 & 711.6 & 50 & Strong HCC$^{13}$CN \\ 369 & 38$_{16,22}$--38$_{15,23}$$^\star$ & 217~467.396 & 35 & 422 & 161.1 & 50 & Blend with $^{13}$CN in absorption \\ 371 & 37$_{16,21}$--37$_{15,22}$$^\star$ & 217~588.187 & 34 & 411 & 154.8 & 50 & Blend with (CH$_2$OH)$_2$ and $U$-line \\ 373 & 36$_{16,20}$--36$_{15,21}$$^\star$ & 217~697.439 & 34 & 400 & 148.6 & 50 & Blend with CH$_2$CH$^{13}$CN and $U$-line \\ \hline 375 & 39$_{ 8,31}$--39$_{ 5,34}$ & 219~371.585 & 37 & 370 & 11.6 & 92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 376 & 19$_{ 8,12}$--18$_{ 7,11}$ & 219~376.897 & 12 & 198 & 77.1 & 92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and C$_2$H$_5$OH \\ 377 & 19$_{ 8,11}$--18$_{ 7,12}$ & 219~380.063 & 12 & 198 & 77.1 & 92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and C$_2$H$_5$OH \\ 378 & 38$_{ 3,35}$--37$_{ 4,34}$ & 219~549.670 & 50 & 338 & 223.9 & 92 & Strong C$^{18}$O \\ 379 & 36$_{ 5,31}$--35$_{ 5,30}$ & 219~565.844 & 7 & 327 & 748.9 & 92 & Strong C$^{18}$O \\ 380 & 38$_{ 4,35}$--37$_{ 4,34}$ & 219~601.640 & 50 & 338 & 796.0 & 92 & Blend with CH$_3$CN, $\varv_4$ = 1 and NH$_2$CN \\ 381 & 38$_{ 3,35}$--37$_{ 3,34}$ & 219~628.210 & 50 & 338 & 796.0 & 92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 382 & 58$_{ 2,56}$--58$_{ 1,57}$$^\star$ & 219~628.923 & 369 & 593 & 66.8 & 92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 384 & 58$_{ 3,56}$--58$_{ 2,57}$$^\star$ & 219~628.923 & 369 & 593 & 66.8 & 92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 386 & 63$_{11,53}$--62$_{12,50}$ & 219~678.339 & 347 & 748 & 53.1 & 92 & Strong HC$_3$N, $\varv_7$ = 2 \\ 387 & 38$_{ 4,35}$--37$_{ 3,34}$ & 219~680.190 & 7 & 338 & 223.9 & 92 & Strong HC$_3$N, $\varv_7$ = 2 \\ \hline 388 & 13$_{11, 2}$--12$_{10, 3}$$^\star$ & 226~038.817 & 12 & 189 & 96.1 & 278 & Blend with c-C$_2$H$_4$O \\ 390 & 40$_{ 2,38}$--39$_{ 3,37}$ & 226~232.383 & 9 & 353 & 279.7 & 278 & Noisy, blend with $U$-line? \\ 391 & 40$_{ 3,38}$--39$_{ 3,37}$ & 226~233.371 & 9 & 353 & 843.2 & 278 & Noisy, blend with $U$-line? \\ 392 & 40$_{ 2,38}$--39$_{ 2,37}$ & 226~233.942 & 9 & 353 & 843.2 & 278 & Noisy, blend with $U$-line? \\ 393 & 40$_{ 3,38}$--39$_{ 2,37}$ & 226~234.930 & 9 & 353 & 279.6 & 278 & Noisy, blend with $U$-line? \\ 394 & 59$_{17,42}$--59$_{16,43}$ & 226~530.302 & 99 & 729 & 290.8 & 278 & Blend with C$_2$H$_5$CN \\ 395 & 59$_{17,43}$--59$_{16,44}$ & 226~530.999 & 99 & 729 & 290.8 & 278 & Blend with C$_2$H$_5$CN \\ 396 & 37$_{ 8,29}$--36$_{ 8,28}$ & 226~531.433 & 7 & 347 & 755.6 & 278 & Blend with C$_2$H$_5$CN \\ 397 & 62$_{ 3,59}$--62$_{ 3,60}$$^\star$ & 226~531.914 & 447 & 668 & 15.8 & 278 & Blend with C$_2$H$_5$CN \\ 399 & 62$_{ 4,59}$--62$_{ 3,60}$$^\star$ & 226~531.915 & 447 & 668 & 100.4 & 278 & Blend with C$_2$H$_5$CN \\ \hline %&&&&&&& \\[-8pt] 401 & 23$_{ 7,17}$--22$_{ 6,16}$ & 227~460.224 & 12 & 218 & 70.9 & 85 & Blend with CH$_3$COOH, CH$_2$(OH)CHO, and CH$_2$CH$^{13}$CN \\ 402 & 41$_{ 1,40}$--40$_{ 2,39}$$^\star$ & 227~553.664 & 14 & 357 & 324.0 & 85 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 404 & 41$_{ 1,40}$--40$_{ 1,39}$$^\star$ & 227~553.690 & 14 & 357 & 869.6 & 85 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 406 & 60$_{ 2,58}$--60$_{ 1,59}$$^\star$ & 227~625.680 & 458 & 624 & 66.9 & 85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 408 & 60$_{ 2,58}$--60$_{ 2,59}$$^\star$ & 227~625.680 & 458 & 624 & 10.9 & 85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 410 & 38$_{ 6,33}$--37$_{ 6,32}$ & 227~639.839 & 9 & 348 & 788.8 & 85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO \\ 411 & 18$_{ 9,10}$--17$_{ 8, 9}$$^\star$ & 227~689.981 & 12 & 198 & 84.0 & 85 & Blend with $U$-line \\ 413 & 23$_{ 5,18}$--22$_{ 3,19}$ & 227~691.505 & 14 & 210 & 3.5 & 85 & Blend with $U$-line \\ 414 & 38$_{22,16}$--37$_{22,15}$$^\star$ & 227~759.604 & 11 & 498 & 541.1 & 85 & Blend with H$_2$$^{13}$CS and C$_2$H$_5$OH \\ 416 & 38$_{21,17}$--37$_{21,16}$$^\star$ & 227~760.667 & 11 & 484 & 565.4 & 85 & Blend with H$_2$$^{13}$CS and C$_2$H$_5$OH \\ 418 & 38$_{23,15}$--37$_{23,14}$$^\star$ & 227~768.859 & 12 & 513 & 515.7 & 85 & Strong C$_2$H$_5$CN \\ 420 & 38$_{20,18}$--37$_{20,17}$$^\star$ & 227~773.682 & 11 & 470 & 588.4 & 85 & Strong C$_2$H$_5$CN \\ 422 & 38$_{24,14}$--37$_{24,13}$$^\star$ & 227~787.136 & 12 & 529 & 489.3 & 85 & Strong C$_2$H$_5$CN and HC$_3$N, $\varv_6$ = 1 \\ 424 & 38$_{19,19}$--37$_{19,18}$$^\star$ & 227~800.733 & 11 & 457 & 610.4 & 85 & Strong $^{13}$CH$_3$CH$_2$CN and CH$_3$OH \\ 426 & 38$_{25,13}$--37$_{25,12}$$^\star$ & 227~813.392 & 14 & 546 & 461.7 & 85 & Strong CH$_3$OH \\ 428 & 56$_{17,39}$--56$_{16,40}$ & 227~818.866 & 80 & 679 & 270.6 & 85 & Strong CH$_3$OH \\ 429 & 56$_{17,40}$--56$_{16,41}$ & 227~819.010 & 80 & 679 & 270.6 & 85 & Strong CH$_3$OH \\ 430 & 38$_{18,20}$--37$_{18,19}$$^\star$ & 227~844.521 & 11 & 444 & 631.3 & 85 & Blend with CH$_3$CH$_3$CO, HC$^{13}$CCN, $\varv_7$ = 2, and HCC$^{13}$CN, $\varv_7$ = 2 \\ 432 & 38$_{26,12}$--37$_{26,11}$$^\star$ & 227~846.781 & 15 & 563 & 432.9 & 85 & Blend with CH$_3$CH$_3$CO, HC$^{13}$CCN, $\varv_7$ = 2, and HCC$^{13}$CN, $\varv_7$ = 2 \\ 434 & 38$_{27,11}$--37$_{27,10}$$^\star$ & 227~886.609 & 17 & 581 & 403.0 & 85 & Strong C$_2$H$_5$OH \\ 436 & 38$_{17,21}$--37$_{17,20}$$^\star$ & 227~908.603 & 11 & 432 & 651.0 & 85 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_3$CN \\ \hline 438 & 44$_{17,27}$--44$_{16,28}$$^\star$ & 231~002.504 & 54 & 504 & 193.5 & 183 & Noisy \\ 440 & 21$_{ 8,14}$--20$_{ 7,13}$ & 231~114.753 & 12 & 210 & 78.8 & 183 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1, CH$_3$CHO, and $U$-line \\ 441 & 21$_{ 8,13}$--20$_{ 7,14}$ & 231~128.746 & 12 & 210 & 78.8 & 183 & Blend with $U$-line and H$_2$$^{13}$CS \\ 442 & 43$_{17,26}$--43$_{16,27}$$^\star$ & 231~159.401 & 54 & 491 & 187.2 & 183 & Strong $^{13}$CH$_2$CHCN \\ 444 & 42$_{17,25}$--42$_{16,26}$$^\star$ & 231~303.368 & 53 & 479 & 180.9 & 40 & Strong $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$CN \\ 446 & 41$_{17,24}$--41$_{16,25}$$^\star$ & 231~435.094 & 53 & 467 & 174.7 & 40 & Blend with $^{13}$CH$_2$CHCN \\ 448 & 40$_{17,23}$--40$_{16,24}$$^\star$ & 231~555.240 & 53 & 455 & 168.4 & 40 & Blend with C$_2$H$_5$OH \\ 450 & 41$_{ 2,39}$--40$_{ 3,38}$ & 231~611.663 & 10 & 364 & 288.9 & 40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 451 & 41$_{ 3,39}$--40$_{ 3,38}$ & 231~612.288 & 10 & 364 & 864.4 & 40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 452 & 41$_{ 2,39}$--40$_{ 2,38}$ & 231~612.651 & 10 & 364 & 864.6 & 40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 453 & 41$_{ 3,39}$--40$_{ 2,38}$ & 231~613.276 & 10 & 364 & 288.9 & 40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 454 & 61$_{ 2,59}$--61$_{ 1,60}$$^\star$ & 231~619.484 & 508 & 640 & 66.9 & 40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 456 & 61$_{ 3,59}$--61$_{ 2,60}$$^\star$ & 231~619.484 & 508 & 640 & 66.9 & 40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 458 & 58$_{11,47}$--57$_{12,46}$ & 231~619.899 & 325 & 659 & 71.0 & 40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 459 & 39$_{17,22}$--39$_{16,23}$$^\star$ & 231~664.446 & 53 & 444 & 162.2 & 40 & Blend with $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$OH \\ \hline 461 & 37$_{ 6,32}$--36$_{ 5,31}$ & 232~675.249 & 9 & 337 & 125.2 & 19 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ 462 & 24$_{ 7,18}$--23$_{ 6,17}$ & 232~766.448 & 12 & 224 & 71.1 & 19 & Blend with $^{13}$CH$_3$CN, $\varv_8$ = 1 and CH$_3$CH$_3$CO \\ \hline 463 & 40$_{ 5,36}$--39$_{ 4,35}$ & 235~023.563 & 9 & 365 & 203.0 & 131 & Blend with CH$_3$OCHO \\ 464 & 39$_{11,29}$--38$_{11,28}$ & 235~323.229 & 8 & 387 & 768.9 & 131 & Blend with CH$_3$CHO and $U$-line \\ 465 & 23$_{ 4,19}$--22$_{ 3,20}$ & 235~326.210 & 10 & 208 & 11.1 & 131 & Blend with CH$_3$CHO and $U$-line \\ 466 & 39$_{11,28}$--38$_{11,27}$ & 235~328.787 & 8 & 387 & 769.0 & 131 & Blend with CH$_3$CHO and $U$-line \\ \hline 467 & 40$_{ 5,35}$--39$_{ 6,34}$ & 235~342.332 & 14 & 370 & 156.8 & 131 & Blend with $U$-line and CH$_3$CH$_3$CO \\ 468 & 62$_{ 2,60}$--62$_{ 1,61}$$^\star$ & 235~610.226 & 562 & 656 & 67.0 & 131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 470 & 62$_{ 2,60}$--62$_{ 2,61}$$^\star$ & 235~610.226 & 562 & 656 & 10.9 & 131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 472 & 38$_{ 6,32}$--37$_{ 6,31}$ & 235~612.906 & 10 & 351 & 792.6 & 131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 473 & 38$_{ 6,33}$--37$_{ 5,32}$ & 235~699.420 & 8 & 348 & 136.0 & 131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 474 & 41$_{ 3,38}$--40$_{ 4,37}$ & 235~705.579 & 10 & 370 & 252.1 & 131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 475 & 41$_{ 4,38}$--40$_{ 4,37}$ & 235~720.329 & 10 & 370 & 860.1 & 131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 476 & 41$_{ 3,38}$--40$_{ 3,37}$ & 235~728.110 & 10 & 370 & 860.0 & 131 & Blend with $U$-line, uncertain baseline \\ 477 & 67$_{13,55}$--66$_{14,52}$ & 235~732.617 & 481 & 838 & 79.3 & 131 & Blend with $U$-line, uncertain baseline \\ 478 & 41$_{ 4,38}$--40$_{ 3,37}$ & 235~742.860 & 10 & 370 & 252.1 & 131 & Baseline problem, or absorption line? \\ 479 & 17$_{10, 8}$--16$_{ 9, 7}$$^\star$ & 235~876.754 & 12 & 199 & 90.8 & 131 & Strong CH$_3$OCHO, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, and $^{13}$CH$_3$OH \\ 481 & 39$_{10,30}$--38$_{10,29}$ & 235~923.054 & 8 & 380 & 780.4 & 131 & Blend with CH$_3$OCHO \\ 482 & 39$_{10,29}$--38$_{10,28}$ & 235~988.744 & 8 & 380 & 780.5 & 131 & Strong C$_2$H$_5$OH and $^{13}$CH$_3$OH \\ \hline %&&&&&&& \\[-8pt] 483 & 68$_{ 4,64}$--68$_{ 3,65}$$^\star$ & 240~990.966 & 671 & 784 & 134.4 & 216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 485 & 68$_{ 5,64}$--68$_{ 4,65}$$^\star$ & 240~990.969 & 671 & 784 & 134.4 & 216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 487 & 40$_{12,29}$--39$_{12,28}$ & 240~992.017 & 9 & 406 & 779.7 & 216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 488 & 40$_{12,28}$--39$_{12,27}$ & 240~992.663 & 9 & 406 & 779.7 & 216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 489 & 39$_{ 6,33}$--38$_{ 6,32}$ & 241~002.693 & 11 & 363 & 812.9 & 216 & Strong C$_2$H$_5$$^{13}$CN, CH$_3$CH$_3$CO, and C$^{34}$S \\ 490 & 42$_{ 3,39}$--41$_{ 4,38}$ & 241~081.365 & 11 & 382 & 261.4 & 216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 491 & 42$_{ 4,39}$--41$_{ 4,38}$ & 241~090.991 & 11 & 382 & 881.3 & 216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 492 & 42$_{ 3,39}$--41$_{ 3,38}$ & 241~096.116 & 11 & 382 & 881.3 & 216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 493 & 42$_{ 4,39}$--41$_{ 3,38}$ & 241~105.742 & 11 & 382 & 261.4 & 216 & Blend with $U$-line and C$_2$H$_5$CN \\ \hline 494 & 16$_{11, 5}$--15$_{10, 6}$$^\star$ & 244~001.794 & 12 & 201 & 97.9 & 46 & Blend with C$_2$H$_5$OH \\ 496 & 41$_{ 6,36}$--40$_{ 6,35}$ & 244~037.948 & 12 & 382 & 852.7 & 46 & Strong H$_2$CS \\ 497 & 41$_{ 5,36}$--40$_{ 5,35}$ & 244~944.066 & 12 & 382 & 853.1 & 39 & Strong CS \\ 498 & 45$_{ 0,45}$--44$_{ 1,44}$$^\star$ & 245~041.483 & 39 & 394 & 394.8 & 39 & Blend with C$_2$H$_5$CN and C$_2$H$_5$$^{13}$CN \\ 500 & 45$_{ 1,45}$--44$_{ 1,44}$$^\star$ & 245~041.483 & 39 & 394 & 960.6 & 39 & Blend with C$_2$H$_5$CN and C$_2$H$_5$$^{13}$CN \\ 502 & 42$_{ 4,38}$--41$_{ 5,37}$ & 245~115.653 & 12 & 388 & 222.4 & 72 & Strong CH$_2$NH \\ 503 & 42$_{ 5,38}$--41$_{ 5,37}$ & 245~270.702 & 12 & 388 & 877.3 & 72 & Strong HC$_3$N, $\varv_4$ = 1 and C$_2$H$_5$$^{13}$CN \\ 504 & 45$_{18,27}$--45$_{17,28}$$^\star$ & 245~277.970 & 79 & 528 & 194.5 & 72 & Strong C$_2$H$_5$$^{13}$CN \\ 506 & 42$_{ 4,38}$--41$_{ 4,37}$ & 245~344.019 & 12 & 388 & 877.3 & 72 & Strong SO$_2$ and CH$_3$CH$_3$CO \\ 507 & 44$_{18,26}$--44$_{17,27}$$^\star$ & 245~407.219 & 79 & 515 & 188.3 & 72 & Blend with CH$_3$CH$_3$CO \\ 509 & 21$_{ 9,13}$--20$_{ 8,12}$ & 245~470.669 & 12 & 215 & 86.9 & 72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 510 & 21$_{ 9,12}$--20$_{ 8,13}$ & 245~471.188 & 12 & 215 & 86.9 & 72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 511 & 86$_{10,76}$--86$_{ 9,77}$ & 245~475.958 & 1519 & 1239 & 344.4 & 72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 512 & 42$_{ 5,38}$--41$_{ 4,37}$ & 245~499.068 & 12 & 388 & 222.4 & 72 & Strong HC$^{13}$CCN, $\varv_7$ = 1 \\ 513 & 43$_{18,25}$--43$_{17,26}$$^\star$ & 245~525.550 & 78 & 502 & 182.0 & 72 & Strong HCC$^{13}$CN, $\varv_7$ = 1 \\ 515 & 42$_{18,24}$--42$_{17,25}$$^\star$ & 245~633.528 & 78 & 490 & 175.7 & 53 & Blend with CH$_2$$^{13}$CHCN and C$_2$H$_3$CN, $\varv_{15}$ = 2 \\ 517 & 77$_{ 7,70}$--77$_{ 7,71}$$^\star$ & 245~718.043 & 974 & 998 & 32.3 & 53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 519 & 77$_{ 8,70}$--77$_{ 7,71}$$^\star$ & 245~718.533 & 974 & 998 & 237.4 & 53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 521 & 41$_{22,19}$--40$_{22,18}$$^\star$ & 245~718.666 & 11 & 532 & 625.3 & 53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 523 & 41$_{23,18}$--40$_{23,17}$$^\star$ & 245~719.705 & 12 & 547 & 601.8 & 53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 525 & 41$_{21,20}$--40$_{21,19}$$^\star$ & 245~730.112 & 12 & 517 & 647.8 & 53 & Blend with HNCO, $\varv_5$ = 1 \\ 527 & 41$_{24,17}$--40$_{24,16}$$^\star$ & 245~731.600 & 12 & 563 & 577.2 & 53 & Blend with HNCO, $\varv_5$ = 1 \\ 529 & 41$_{18,23}$--41$_{17,24}$$^\star$ & 245~731.700 & 78 & 478 & 169.5 & 53 & Blend with HNCO, $\varv_5$ = 1 \\ 531 & 42$_{ 8,34}$--42$_{ 5,37}$ & 245~748.107 & 35 & 405 & 8.6 & 53 & Strong CH$_2$$^{13}$CHCN and CH$_3$OCHO \\ 532 & 41$_{25,16}$--40$_{25,15}$$^\star$ & 245~753.043 & 13 & 579 & 551.6 & 53 & Strong CH$_2$$^{13}$CHCN, CH$_3$OCHO, and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 534 & 41$_{20,21}$--40$_{20,20}$$^\star$ & 245~756.100 & 12 & 504 & 669.2 & 53 & Strong CH$_3$OCHO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 536 & 41$_{26,15}$--40$_{26,14}$$^\star$ & 245~782.976 & 14 & 597 & 525.1 & 53 & Strong CH$_2$$^{13}$CHCN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 538 & 41$_{19,22}$--40$_{19,21}$$^\star$ & 245~799.265 & 12 & 490 & 689.7 & 53 & Blend with CH$_2$CH$^{13}$CN \\ 540 & 48$_{ 8,40}$--47$_{ 9,39}$ & 245~812.073 & 103 & 487 & 81.9 & 53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 541 & 41$_{27,14}$--40$_{27,13}$$^\star$ & 245~820.530 & 15 & 614 & 497.4 & 53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 543 & 40$_{18,22}$--40$_{17,23}$$^\star$ & 245~820.595 & 78 & 466 & 163.2 & 53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 545 & 41$_{18,23}$--40$_{18,22}$$^\star$ & 245~863.030 & 12 & 478 & 708.9 & 53 & Blend with CH$_2$CH$^{13}$CN \\ 547 & 41$_{28,13}$--40$_{28,12}$$^\star$ & 245~864.987 & 16 & 633 & 468.6 & 53 & Blend with CH$_2$CH$^{13}$CN \\ 549 & 39$_{18,21}$--39$_{17,22}$$^\star$ & 245~900.727 & 78 & 455 & 157.0 & 53 & Strong CH$_3$OCHO and CH$_2$CH$^{13}$CN \\ 551 & 41$_{29,12}$--40$_{29,11}$$^\star$ & 245~915.751 & 17 & 652 & 438.9 & 53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 553 & 26$_{ 7,19}$--25$_{ 6,20}$ & 245~927.818 & 12 & 239 & 70.3 & 53 & Blend with CH$_2$CH$^{13}$CN \\ 554 & 41$_{17,24}$--40$_{17,23}$$^\star$ & 245~951.925 & 12 & 466 & 727.2 & 53 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ \hline 556 & 41$_{30,11}$--40$_{30,10}$$^\star$ & 245~972.316 & 19 & 672 & 408.0 & 53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $\varv$=0, and $U$-line \\ 558 & 38$_{18,20}$--38$_{17,21}$$^\star$ & 245~972.593 & 78 & 443 & 150.7 & 53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $\varv$=0, and $U$-line \\ 560 & 41$_{31,10}$--40$_{31, 9}$$^\star$ & 246~034.256 & 22 & 692 & 376.2 & 53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO \\ 562 & 37$_{18,19}$--37$_{17,20}$$^\star$ & 246~036.674 & 78 & 432 & 144.4 & 53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO \\ \hline 564 & 27$_{ 7,21}$--26$_{ 6,20}$ & 247~058.498 & 12 & 246 & 70.8 & 68 & Strong CH$_3$OCHO \\ 565 & 63$_{12,51}$--62$_{13,50}$ & 247~101.751 & 518 & 754 & 76.5 & 68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 566 & 41$_{12,30}$--40$_{12,29}$ & 247~104.436 & 10 & 418 & 803.0 & 68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 567 & 41$_{12,29}$--40$_{12,28}$ & 247~105.557 & 10 & 418 & 803.0 & 68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 568 & 41$_{ 6,36}$--40$_{ 5,35}$ & 247~299.045 & 10 & 382 & 168.3 & 68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 569 & 41$_{ 7,35}$--40$_{ 7,34}$ & 247~432.588 & 13 & 387 & 849.3 & 68 & Blend with C$_2$H$_5$OCHO, t-HCOOH, and $^{34}$SO$_2$ \\ \hline 570 & 42$_{17,25}$--41$_{17,24}$$^\star$ & 251~968.635 & 13 & 478 & 752.3 & 42 & Blend with CH$_3$OCH$_3$ \\ 572 & 27$_{ 7,20}$--26$_{ 6,21}$ & 252~059.917 & 12 & 246 & 69.6 & 42 & Blend with CH$_3$$^{13}$CH$_2$CN, C$_2$H$_5$CN, $\varv_{20}$ = 1, a-C$_3$H$_7$CN, and \\ & & & & & & & $U$-line \\ 573 & 42$_{32,10}$--41$_{32, 9}$$^\star$ & 252~075.949 & 25 & 725 & 377.4 & 42 & Blend with a-C$_3$H$_7$CN and t-HCOOH \\ 575 & 15$_{12, 3}$--14$_{11, 4}$$^\star$ & 252~090.157 & 12 & 204 & 105.6 & 42 & Strong t-HCOOH and CH$_3$OH \\ 577 & 42$_{16,27}$--41$_{16,26}$$^\star$ & 252~100.361 & 12 & 467 & 769.0 & 42 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 579 & 42$_{15,28}$--41$_{15,27}$$^\star$ & 252~274.857 & 12 & 456 & 784.8 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 581 & 64$_{ 1,63}$--64$_{ 0,64}$$^\star$ & 252~277.352 & 860 & 678 & 33.6 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 583 & 64$_{ 1,63}$--64$_{ 1,64}$$^\star$ & 252~277.352 & 860 & 678 & 5.7 & 42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \hline 585 & 25$_{ 8,18}$--24$_{ 7,17}$ & 254~150.394 & 12 & 236 & 81.3 & 32 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 586 & 13$_{13, 0}$--12$_{12, 1}$$^\star$ & 254~156.954 & 13 & 204 & 114.2 & 32 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 588 & 25$_{ 8,17}$--24$_{ 7,18}$ & 254~324.253 & 12 & 236 & 81.3 & 32 & Strong $^{13}$CH$_3$OH \\ \hline 589 & 42$_{ 9,34}$--41$_{ 9,33}$ & 255~230.622 & 14 & 409 & 858.3 & 217 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and NH$_2$CHO \\ 590 & 43$_{ 5,38}$--42$_{ 5,37}$ & 255~329.346 & 15 & 405 & 895.6 & 217 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and HC$_3$N, $\varv_7$ = 1 \\ 591 & 41$_{ 7,34}$--40$_{ 7,33}$ & 255~562.496 & 16 & 389 & 855.2 & 217 & Strong SO$_2$ and CH$_2$CH$^{13}$CN \\ \hline 592 & 46$_{ 7,39}$--45$_{ 8,38}$ & 257~971.741 & 60 & 454 & 112.3 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 593 & 43$_{31,12}$--42$_{31,11}$$^\star$ & 257~980.769 & 18 & 716 & 442.3 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 595 & 43$_{17,26}$--42$_{17,25}$$^\star$ & 257~986.516 & 13 & 490 & 777.1 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 597 & 55$_{19,36}$--55$_{18,37}$$^\star$ & 258~045.723 & 118 & 685 & 252.3 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 599 & 43$_{32,11}$--42$_{32,10}$$^\star$ & 258~048.624 & 22 & 737 & 410.9 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 601 & 16$_{12, 4}$--15$_{11, 5}$$^\star$ & 258~080.161 & 12 & 208 & 106.2 & 1127 & Strong CH$_3$OCHO, CH$_3$$^{13}$CN, $\varv_8$ = 1, and NH$_2$CN \\ 603 & 43$_{33,10}$--42$_{33, 9}$$^\star$ & 258~121.617 & 31 & 759 & 378.5 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 and CH$_3$OCHO \\ 605 & 43$_{16,28}$--42$_{16,27}$$^\star$ & 258~130.483 & 13 & 479 & 793.5 & 1127 & Strong CH$_3$OCHO and CH$_3$CN, $\varv_8$ = 1 \\ 607 & 43$_{15,29}$--42$_{15,28}$$^\star$ & 258~320.451 & 13 & 469 & 809.0 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ \hline %&&&&&&& \\[-8pt] 609 & 43$_{13,31}$--42$_{13,30}$ & 258~903.344 & 12 & 450 & 836.8 & 1609 & Noisy, blend with $^{13}$CH$_2$CHCN \\ 610 & 43$_{13,30}$--42$_{13,29}$ & 258~903.558 & 12 & 450 & 836.8 & 1609 & Noisy, blend with $^{13}$CH$_2$CHCN \\ \hline %&&&&&&& \\[-8pt] 611 & 43$_{11,32}$--42$_{11,31}$ & 260~000.636 & 13 & 434 & 860.9 & 413 & Strong CH$_3$OCH$_3$ and CH$_2$$^{13}$CHCN \\ 612 & 40$_{19,21}$--40$_{18,22}$$^\star$ & 260~004.028 & 112 & 478 & 158.0 & 413 & Strong CH$_3$OCH$_3$ and CH$_2$$^{13}$CHCN \\ 614 & 26$_{ 8,18}$--25$_{ 7,19}$ & 260~060.358 & 12 & 243 & 81.7 & 413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$OH \\ 615 & 39$_{19,20}$--39$_{18,21}$$^\star$ & 260~060.729 & 112 & 466 & 151.7 & 413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$OH \\ 617 & 38$_{19,19}$--38$_{18,20}$$^\star$ & 260~110.774 & 112 & 455 & 145.4 & 413 & Strong C$_2$H$_5$OH and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 619 & 14$_{13, 1}$--13$_{12, 2}$$^\star$ & 260~151.979 & 13 & 207 & 114.1 & 413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 621 & 37$_{19,18}$--37$_{18,19}$$^\star$ & 260~154.562 & 113 & 444 & 139.0 & 413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 623 & 36$_{19,17}$--36$_{18,18}$$^\star$ & 260~192.478 & 113 & 434 & 132.7 & 413 & Strong NH$_2$CHO and CH$_2$CO \\ 625 & 44$_{ 6,39}$--43$_{ 6,38}$ & 260~216.245 & 17 & 418 & 916.5 & 413 & Strong C$_2$H$_5$CN and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 626 & 35$_{19,16}$--35$_{18,17}$$^\star$ & 260~224.898 & 113 & 423 & 126.2 & 413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 628 & 34$_{19,15}$--34$_{18,16}$$^\star$ & 260~252.187 & 113 & 413 & 119.8 & 413 & Strong C$_2$H$_5$OH, CH$_3$OCHO, H$^{13}$CO$^+$, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 630 & 73$_{14,60}$--72$_{15,57}$ & 260~255.958 & 771 & 968 & 86.0 & 413 & Strong C$_2$H$_5$OH, CH$_3$OCHO, H$^{13}$CO$^+$, and \\ & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 631 & 19$_{19, 0}$--19$_{18, 1}$$^\star$ & 260~262.738 & 117 & 297 & 9.3 & 413 & Strong H$^{13}$CO$^+$ and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 633 & 33$_{19,14}$--33$_{18,15}$$^\star$ & 260~274.699 & 113 & 403 & 113.3 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, C$_2$H$_5$CN, $\varv_{20}$ = 1, and H$_2$$^{13}$CS \\ 635 & 20$_{19, 1}$--20$_{18, 2}$$^\star$ & 260~275.506 & 117 & 302 & 18.2 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, C$_2$H$_5$CN, $\varv_{20}$ = 1, and H$_2$$^{13}$CS \\ 637 & 21$_{19, 2}$--21$_{18, 3}$$^\star$ & 260~287.415 & 116 & 309 & 26.7 & 413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 639 & 32$_{19,13}$--32$_{18,14}$$^\star$ & 260~292.777 & 113 & 394 & 106.7 & 413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 641 & 22$_{19, 3}$--22$_{18, 4}$$^\star$ & 260~298.247 & 116 & 315 & 34.9 & 413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 643 & 31$_{19,12}$--31$_{18,13}$$^\star$ & 260~306.755 & 113 & 385 & 100.0 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 645 & 23$_{19, 4}$--23$_{18, 5}$$^\star$ & 260~307.776 & 116 & 321 & 42.8 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 647 & 24$_{19, 5}$--24$_{18, 6}$$^\star$ & 260~315.766 & 115 & 328 & 50.5 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 649 & 30$_{19,11}$--30$_{18,12}$$^\star$ & 260~316.958 & 114 & 376 & 93.3 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 651 & 25$_{19, 6}$--25$_{18, 7}$$^\star$ & 260~321.972 & 115 & 336 & 58.0 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 653 & 29$_{19,10}$--29$_{18,11}$$^\star$ & 260~323.698 & 114 & 367 & 86.5 & 413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 655 & 26$_{19, 7}$--26$_{18, 8}$$^\star$ & 260~326.138 & 115 & 343 & 65.4 & 413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ \hline 657 & 28$_{19, 9}$--28$_{18,10}$$^\star$ & 260~327.281 & 114 & 359 & 79.6 & 413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ 659 & 27$_{19, 8}$--27$_{18, 9}$$^\star$ & 260~327.999 & 114 & 351 & 72.5 & 413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ \hline %&&&&&&& \\[-8pt] 661 & 43$_{ 9,34}$--42$_{ 9,33}$ & 263~500.082 & 18 & 422 & 881.1 & 74 & Blend with C$_2$H$_5$$^{13}$CN and CH$_3$OCH$_3$ \\ 662 & 37$_{ 7,31}$--36$_{ 6,30}$ & 263~656.862 & 14 & 340 & 85.0 & 108 & Strong CH$_3$OCH$_3$ \\ 663 & 44$_{23,21}$--43$_{23,20}$$^\star$ & 263~662.413 & 12 & 583 & 684.9 & 108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 665 & 44$_{24,20}$--43$_{24,19}$$^\star$ & 263~666.216 & 12 & 599 & 662.1 & 108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 667 & 44$_{22,22}$--43$_{22,21}$$^\star$ & 263~671.555 & 13 & 568 & 706.8 & 108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 669 & 44$_{25,19}$--43$_{25,18}$$^\star$ & 263~681.350 & 13 & 616 & 638.2 & 108 & Strong HC$^{13}$CCN, $\varv_7$ = 1, HNCO, and HN$^{13}$CO \\ 671 & 44$_{21,23}$--43$_{21,22}$$^\star$ & 263~695.661 & 13 & 554 & 727.7 & 108 & Strong HCC$^{13}$CN, $\varv_7$ = 1 and C$_2$H$_5$OH \\ 673 & 44$_{26,18}$--43$_{26,17}$$^\star$ & 263~706.506 & 13 & 633 & 613.4 & 108 & Strong HCC$^{13}$CN, $\varv_7$ = 1 \\ 675 & 44$_{20,24}$--43$_{20,23}$$^\star$ & 263~737.291 & 14 & 540 & 747.7 & 108 & Strong HNCO \\ 677 & 44$_{27,17}$--43$_{27,16}$$^\star$ & 263~740.615 & 14 & 651 & 587.6 & 108 & Strong HNCO \\ 679 & 44$_{28,16}$--43$_{28,15}$$^\star$ & 263~782.797 & 15 & 669 & 560.8 & 108 & Strong HC$_3$N and CH$_3$OH, $\varv_t$ = 1 \\ 681 & 44$_{19,25}$--43$_{19,24}$$^\star$ & 263~799.727 & 14 & 527 & 766.8 & 108 & Strong HC$_3$N, CH$_3$OH, $\varv_t$ = 1, and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 683 & 44$_{29,15}$--43$_{29,14}$$^\star$ & 263~832.314 & 16 & 688 & 533.0 & 108 & Blend with NH$_2$CHO and $U$-line? \\ 685 & 38$_{ 7,32}$--37$_{ 6,31}$ & 263~847.676 & 14 & 351 & 91.4 & 108 & Blend with NH$_2$CHO \\ 686 & 47$_{ 2,45}$--46$_{ 3,44}$$^\star$ & 263~860.484 & 28 & 434 & 344.1 & 108 & Blend with C$_2$H$_5$OH and C$_2$H$_5$$^{13}$CN \\ 688 & 47$_{ 2,45}$--46$_{ 2,44}$$^\star$ & 263~860.546 & 28 & 434 & 992.8 & 108 & Blend with C$_2$H$_5$OH and C$_2$H$_5$$^{13}$CN \\ 690 & 44$_{18,26}$--43$_{18,25}$$^\star$ & 263~887.257 & 14 & 514 & 784.7 & 108 & Strong CH$_3$CH$_3$CO and HNCO, $\varv_4$ = 1 \\ 692 & 44$_{30,14}$--43$_{30,13}$$^\star$ & 263~888.552 & 16 & 708 & 504.4 & 108 & Strong CH$_3$CH$_3$CO and HNCO, $\varv_4$ = 1 \\ 694 & 44$_{17,27}$--43$_{17,26}$$^\star$ & 264~005.588 & 14 & 502 & 801.8 & 108 & Strong CH$_3$$^{13}$CH$_2$CN \\ 696 & 17$_{12, 5}$--16$_{11, 6}$$^\star$ & 264~068.075 & 12 & 213 & 106.9 & 108 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ \hline %&&&&&&& \\[-8pt] 698 & 46$_{ 4,42}$--45$_{ 5,41}$ & 266~675.648 & 20 & 436 & 260.6 & 91 & Strong O$^{13}$CS and C$_2$H$_5$$^{13}$CN \\ 699 & 46$_{ 5,42}$--45$_{ 5,41}$ & 266~707.175 & 20 & 436 & 962.7 & 91 & Strong CH$_3$OH \\ 700 & 29$_{ 6,23}$--28$_{ 5,24}$ & 266~722.756 & 11 & 258 & 39.0 & 91 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$CH$_3$CO, $\varv_t$ = 1, and $U$-line \\ 701 & 46$_{ 4,42}$--45$_{ 4,41}$ & 266~722.874 & 20 & 436 & 962.6 & 91 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$CH$_3$CO, $\varv_t$ = 1, and $U$-line \\ 702 & 46$_{ 5,42}$--45$_{ 4,41}$ & 266~754.401 & 20 & 436 & 260.6 & 91 & Blend with $U$-line \\ 703 & 44$_{ 8,37}$--43$_{ 8,36}$ & 266~788.303 & 20 & 429 & 909.3 & 91 & Blend with $U$-line \\ 704 & 44$_{10,35}$--43$_{10,34}$ & 266~958.528 & 17 & 440 & 893.9 & 91 & Blend with C$_2$H$_5$OH and $U$-line \\ 705 & 44$_{10,34}$--44$_{ 7,37}$ & 267~152.855 & 100 & 440 & 8.9 & 91 & Strong NH$_2$$^{13}$CHO, CH$_3$CH$_3$CO, and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 706 & 43$_{ 7,36}$--42$_{ 7,35}$ & 267~157.130 & 20 & 414 & 897.1 & 91 & Strong NH$_2$$^{13}$CHO, CH$_3$CH$_3$CO, and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ \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}