108-24-7
乙酸酐
+
78620-27-6
ethyl 3-(1-methyl-2-benzimidazolyl)hydrazinecarboxylate
→
78620-26-5
3-acetyl-5-(1-methylbenzimidazol-2-yl)-1,3,4-oxadiazol-2-one
14468-46-3
1-methyl-2-(trichloromethyl)benzimidazole