1-(2-Ethoxyethyl)-2-(4-methyl-1-homopiperazinyl)benzimidazole difumarate 1-(2-Ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)benzimidazole fumarate (1:2) 1H-Benzimidazole, 1-(2-ethoxyethyl)-2-(hexahydro-4-methyl-1H-1,4-diazepin-1-yl)-, (E)-2-butenedioate (1:2) 87233-61-2 87233-62-3 AL 3432A Benzimidazole, 1-(2-ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)-, fumarate (1:2) Emedastine Difumarate [USAN] Emedastine difumarate KB-2413 KG-2413 LY 188695 Rapimine emadine