16617-46-2
3-氨基-4-氰基吡唑
+
17356-08-0
aminothioamide
→
23771-52-0
4-氨基-6-巯基吡唑酮[3,4-d]嘧啶
5334-33-8
/
2465-59-0
羟基嘌呤
5334-32-7
1(2),7-二氢-吡唑并[3,4-d]嘧啶-4,6-二硫酮