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MassMS-IW-2141 diethyl 2,5-pyridinedicarboxylate C11H13NO4 (Mass of molecular ion: 223)
Source Temperature: 120 °C Sample Temperature: 100 °C Direct, 75 eV
26.0 1.0 27.0 3.6 28.0 1.7 29.0 15.1 39.0 1.0 45.0 1.5 50.0 3.3 51.0 3.4 52.0 1.0 52.5 1.5 66.5 1.5 76.0 1.9 77.0 6.2 78.0 7.6 79.0 1.1 94.0 1.4 105.0 3.6 106.0 3.8 122.0 3.0 123.0 11.8 124.0 1.5 150.0 12.5 151.0 100.0 152.0 10.3 153.0 1.0 178.0 14.8 179.0 14.7 180.0 1.7 223.0 2.2
400 MHz in CDCl3
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1H NMR 399.65 MHz C11 H13 N O4 0.049 g : 0.5 ml CDCl3 diethyl 2,5-pyridinedicarboxylate 
Assign. Shift(ppm)
A 9.328 B 8.455 C 8.218 D *1 4.520 E *1 4.461 F *2 1.473 G *2 1.442 J(A,B)=2.1HZ J(A,C)=0.9HZ J(B,C)=8.2HZ
Hz ppm Int.3729.71 9.333 161 3728.79 9.331 172 3727.57 9.328 172 3726.81 9.326 155 3384.70 8.470 181 3382.57 8.464 182 3376.46 8.449 207 3374.48 8.444 202 3288.73 8.230 215 3287.81 8.227 213 3280.64 8.209 175 3279.72 8.207 189 1817.47 4.548 144 1810.30 4.530 462 1803.13 4.512 471 1795.96 4.494 155 1793.67 4.489 147 1786.50 4.471 437 1779.48 4.453 465 1772.31 4.435 154 595.86 1.491 471 588.68 1.473 1000 586.09 1.467 52 583.34 1.460 485 581.51 1.456 511 576.32 1.443 988 569.15 1.425 488
in CDCl3
KBr disc
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