1-(2-Ethoxyethyl)-2-(1-homopiperazinyl)methylbenzimidazole fumarate (2:3) 1H-Benzimidazole, 1-(2-ethoxyethyl)-2-((hexahydro-1H-1,4-diazepin-1-yl)methyl)-, (E)-2-butenedioate (2:3) 95893-96-2