1-(2-(Allyloxy)ethyl)-2-(4-methyl-1-homopiperazinyl)benzimidazole difumarate 1H-Benzimidazole, 2-(hexahydro-4-methyl-1H-1,4-diazepin-1-yl)-1-(2-(2-propenyloxy)ethyl)-, (E)-2-butenedioate (1:2) 87233-68-9