18213-75-7
5-氨基-1-甲基吡唑-4-甲酰胺
+
141-78-6
乙酸乙酯
→
~85%
57121-52-5
1,6-dimethyl-2H-pyrazolo[3,4-d]pyrimidin-4-one
64-19-7
乙酸
~73%