52731-57-4
→
~92%
22632-10-6
4-甲氨基嘧啶
89180-09-6
2-羰基-3-亚磺丙酸
56181-38-5
5-溴-N-甲基嘧啶-4-胺
6104-45-6
3-methylpyrimidin-4-one