123-06-8
乙氧基亚甲基丙二腈
+
650638-11-2
(9ci)-4-肼基-1H-苯并咪唑
→
~50%
650638-12-3
5-amino-1-(1H-benzimidazol-4-yl)pyrazole-4-carbonitrile
4331-29-7
4-氨基苯并咪唑