64-18-6
Formic acid
+
72816-14-9
5-氨基-1-(2-吡啶基)-1H-吡唑-4-甲腈
→
650637-98-2
1,5-二氢-1-(2-吡啶)-4H-吡唑并[3,4-d]嘧啶-4-酮
4930-98-7
2-肼吡啶