Chemical Formula: C12H13N5O4
Exact Mass: 291.10
Molecular Weight: 291.27
m/z: 291.10 (100.0%), 292.10 (13.0%), 292.09 (1.8%)
Elemental Analysis: C, 49.48; H, 4.50; N, 24.04; O, 21.97
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