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類似的有十幾個? 具體詳聊? QQ? 2881742680

Name:4-amino-2-methyl-7-oxo-1,7-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid
Chemical Formula: C9H8N4O3
Exact Mass: 220.0596
Molecular Weight: 220.1880
m/z: 220.0596 (100.0%), 221.0630 (9.7%), 221.0567 (1.5%)
Elemental Analysis: C, 49.09; H, 3.66; N, 25.45; O, 21.80