80%的实单，目前还没有确认，还有这类的十几个化合物，具体详聊，欢迎会做的赶紧联系！
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Name:4-amino-7-oxo-1,7-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid
Chemical Formula: C8H6N4O3
Exact Mass: 206.0440
Molecular Weight: 206.1610
m/z: 206.0440 (100.0%), 207.0473 (8.7%), 207.0410 (1.5%)
Elemental Analysis: C, 46.61; H, 2.93; N, 27.18; O, 23.28
Chemical Formula: C8H6N4O3
Exact Mass: 206.0440
Molecular Weight: 206.1610
m/z: 206.0440 (100.0%), 207.0473 (8.7%), 207.0410 (1.5%)
Elemental Analysis: C, 46.61; H, 2.93; N, 27.18; O, 23.28
