Synonyms: 4,5,6,7-Tetrahydro-1-ethyl-5-(hexahydro-1H-azepin-1-yl)benzimidazole fumarate (1:3);Benzimidazole, 4,5,6,7-tetrahydro-1-ethyl-5-(hexahydro-1H-azepin-1-yl)-, fumarate (1:3);AC1O66Q4;LS-33175;5-(azepan-1-yl)-1-ethyl-4,5,6,7-tetrahydrobenzimidazole; (E)-but-2-enedioic acid;99700-14-8