1201639-35-1
4-amino-6-ethoxycarbonylmethyl-7(8H)-pteridone
→
~65%
31992-21-9
4-amino-6-methyl-8H-pteridin-7-one
617-35-6
丙酮酸乙酯
+
118-70-7
4,5,6-三氨基嘧啶
~44%