1-allyl-2-(9-ethyl-9H-carbazole-3-yl)-1H-benzimidazole-5-carboxylic acid 、 N-[(1H-benzimidazol-1-yloxy)(dimethylamino)methylene]-N-methylmethanaminium tetrafluoroborate 、
二甲胺 生成 1-allyl-2-(9-ethyl-9H-carbazol-3-yl)-N,N-dimethyl-1H-benzimidazole-5-carboxamide