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MassMS-IW-4933 4-phenyl-1,2,4-triazolidine-3,5-dione C8H7N3O2 (Mass of molecular ion: 177)
Source Temperature: 160 °C Sample Temperature: 150 °C Direct, 75 eV
18.0 2.0 27.0 1.1 28.0 1.3 29.0 2.2 30.0 3.7 37.0 1.3 38.0 3.1 39.0 4.2 41.0 1.4 50.0 2.5 51.0 6.4 52.0 2.4 58.0 4.6 62.0 1.2 63.0 5.4 64.0 10.8 65.0 3.9 74.5 1.4 77.0 25.8 78.0 2.3 90.0 1.2 91.0 16.1 92.0 11.8 93.0 2.8 119.0 79.9 120.0 37.5 121.0 2.9 146.0 1.1 177.0 100.0 178.0 10.1
90 MHz in DMSO-d6
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1H NMR 89.56 MHz C8 H7 N3 O2 0.042 g : 0.5 ml DMSO-d6 4-phenyl-1,2,4-triazolidine-3,5-dione 
Assign. Shift(ppm)
A 10.5 B 7.65 to 7.28
Hz ppm Int.939.44 10.490 38 674.69 7.534 31 672.13 7.505 73 671.56 7.499 81 670.19 7.484 128 667.69 7.456 1000 666.00 7.437 197 665.00 7.426 233 663.69 7.411 60 663.13 7.405 69 661.81 7.390 31 660.94 7.380 33 657.75 7.345 27
DMSO-d6
KBr disc
nujol mull
4880 A,200 M,powder
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