1609-47-8
焦碳酸二乙酯
+
615-16-7
2-羟基苯并咪唑
→
~98%
161468-57-1
diethyl 2-oxobenzimidazole-1,3-dicarboxylate
~95%
95-54-5
1,2-苯二胺
623-49-4
氰基甲酸乙酯
51-17-2
苯并咪唑
72473-85-9
(9ci)-1H-苯并咪唑-1-羧酸乙酯
41120-23-4
ethyl 2-oxo-3H-benzimidazole-1-carboxylate