1-(2-Propargyloxyethyl)-2-(4-methyl-1-homopiperazinyl)methylbenzimidazole fumarate (2:3) 1H-Benzimidazole, 2-((hexahydro-4-methyl-1H-1,4-diazepin-1-yl)methyl)-1-(2-(2-propynyloxy)ethyl)-, (E)-2-butenedioate (2:3) 95894-16-9