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MassMS-NW-1868 2,4-pteridinediol C6H4N4O2 (H2O) (Mass of molecular ion: 164)
Source Temperature: 210 °C Sample Temperature: 160 °C Direct, 75 eV
17.0 4.4 18.0 20.7 26.0 3.8 27.0 2.6 28.0 8.9 29.0 1.1 33.0 1.0 38.0 7.8 39.0 12.2 40.0 8.1 41.0 5.2 42.0 1.5 43.0 2.4 44.0 2.2 51.0 3.3 52.0 5.2 53.0 11.2 54.0 2.9 55.0 1.0 57.0 1.3 64.0 1.3 65.0 5.9 66.0 44.1 67.0 12.0 68.0 1.0 69.0 3.2 70.0 5.5 77.0 1.6 78.0 1.3 92.0 1.5 93.0 56.8 94.0 5.4 105.0 1.2 120.0 1.8 121.0 59.1 122.0 5.1 164.0 100.0 165.0 8.3
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C6 H4 N4 O2 0.040 g : 0.5 ml DMSO-d6 2,4-pteridinediol 
Assign. Shift(ppm)
A *1 11.9 B *1 11.7 C *2 8.679 D *2 8.559
Hz ppm Int.4760.13 11.911 40 4683.57 11.720 49 3469.91 8.683 905 3467.52 8.677 1000 3427.05 8.576 24 3421.92 8.563 984 3419.54 8.557 928
in DMSO-d6
KBr disc
nujol mull
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