英文别名Emedastine impurity E; 4-(1-(2-Ethoxyethyl)-1H-benzimidazol-2-yl)[1,4]diazepane; Emedastine EP Impurity E; 1-(2-ethoxyethyl)-2-(hexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazole; 2-(1,4-diazepan-1-yl)-1-(2-ethoxyethyl)benzimidazole; 1H-Benzimidazole, 1-(2-ethoxyethyl)-2-(hexahydro-1H-1,4-diazepin-1-yl)-; 2-[1,4]Diazepan-1-yl-1-(2-ethoxy-ethyl)-1H-benzoimidazole