1-(2-Propargyloxyethyl)-2-(4-methyl-1-piperazinyl)methylbenzimidazole fumarate H2O (2:2:1) 1H-Benzimidazole, 2-((4-methyl-1-piperazinyl)methyl)-1-(2-(2-propynyloxy)ethyl)-, (E)-2-butenedioate, hydrate (2:2:1) 95894-14-7