英文别名Emedastine Impurity; Emedastine EP Impurity C; 2-(Hexahydro-4-methyl-1H-1,4-diazepin-1-yl)-1H-benzimidazole-1-ethanol; 1H-Benzimidazole-1-ethanol, 2-(hexahydro-4-methyl-1H-1,4-diazepin-1-yl)-; 2-(2-(4-Methylhexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazol-1-yl)ethanol; 2-(2-(4-methyl-1,4-diazepan-1-yl)-1H-benzo[d]imidazol-1-yl)ethanol