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MassMS-NW-6782 N,N'-o-phenylenedimaleimide C14H8N2O4 (Mass of molecular ion: 268)
Source Temperature: 170 °C Sample Temperature: 170 °C Direct, 75 eV
26.0 20.7 27.0 1.4 28.0 1.5 38.0 1.5 39.0 2.0 50.0 2.1 51.0 2.7 52.0 3.1 53.0 7.2 54.0 40.8 55.0 2.4 63.0 1.5 64.0 2.9 65.0 1.1 68.0 1.2 76.0 2.5 77.0 6.5 78.0 1.9 79.0 1.1 80.0 1.4 82.0 13.2 89.0 1.2 90.0 4.5 93.0 1.2 102.0 1.6 103.0 2.9 104.0 5.5 106.0 1.2 115.0 1.3 116.0 2.9 117.0 1.3 128.0 1.3 129.0 1.7 130.0 3.1 131.0 1.5 132.0 1.1 133.0 1.0 134.0 2.2 142.0 5.4 143.0 1.8 144.0 4.0 145.0 2.7 154.0 1.3 155.0 1.3 156.0 3.7 158.0 5.4 159.0 1.9 160.0 1.6 167.0 1.3 168.0 28.4 169.0 4.5 170.0 10.4 171.0 3.2 172.0 3.8 183.0 1.0 184.0 4.6 185.0 1.2 186.0 8.4 187.0 7.1 188.0 1.1 195.0 4.3 196.0 7.9 197.0 1.2 211.0 5.5 212.0 2.6 223.0 1.6 239.0 1.4 240.0 2.2 268.0 100.0 269.0 16.5 270.0 2.2
400 MHz in DMSO-d6
90 MHz in DMSO-d6
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1H NMR 399.65 MHz C14 H8 N2 O4 0.038 g : 0.5 ml DMSO-d6 N,N'-o-phenylenedimaleimide 
Assign. Shift(ppm)
A 7.585 B 7.461 C 7.136
Hz ppm Int.3036.62 7.599 81 3033.08 7.590 88 3030.64 7.584 75 3027.10 7.575 112 2986.33 7.473 117 2982.91 7.464 85 2980.35 7.458 99 2976.81 7.449 86 2852.17 7.137 1000
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1H NMR 89.56 MHz C14 H8 N2 O4 0.038 g : 0.5 ml DMSO-d6 N,N'-o-phenylenedimaleimide Assign. Shift(ppm)
A 7.57 B 7.47 C 7.122
Hz ppm Int.684.69 7.646 27 681.69 7.612 23 680.50 7.599 37 677.88 7.570 43 675.50 7.543 91 675.00 7.537 108 673.94 7.526 49 672.06 7.505 52 671.00 7.493 110 670.50 7.487 96 668.13 7.461 61 665.50 7.431 36 664.38 7.419 26 661.31 7.384 26 637.88 7.123 1000
DMSO-d6
KBr disc
nujol mull
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