64-18-6
Formic acid
+
650638-01-0
5-氨基-1-(2-噻唑)-1H-吡唑-4-甲腈
→
650638-03-2
1,5-二氢-1-(2-噻唑)-4H-吡唑并[3,4-d]嘧啶-4-酮