617-35-6
丙酮酸乙酯
+
15108-18-6
2-肼基-1H-1,3-苯并咪唑
→
~81%
88281-99-6
ethyl 2-(1H-benzimidazol-2-ylhydrazinylidene)propanoate
134469-07-1
1H-苯并咪唑-2-硫醇