methyl 2-methyl-3H-imidazo[4,5-b]pyridine-5-carboxylate 、
4-chloro-5-chloromethyl-1,2-dimethyl-1H-benzimidazole 、 methyl 1-[(4-chloro-1,2-dimethyl-1H-benzimidazol-5-yl)methyl]-2-methyl-3H-imidazo[4,5-b]pyridine-5-carboxylate 生成 methyl 3-[(4-chloro-1,2-dimethyl-1H-benzimidazol-5-yl)methyl]-2-methyl-3H-imidazo[4,5-b]pyridine-5-carboxylate