1H-BENZIMIDAZOL-5-AMINE, 4,5,6,7-TETRAHYDRO-N-CYCLOPENTYL-1-ETHYL-, (E)-2-BUTENE 1H-Benzimidazol-5-amine, 4,5,6,7-tetrahydro-N-cyclopentyl-1-ethyl-, (E)-2-butenedioate (2:3) 4,5,6,7-Tetrahydro-5-(cyclopentylamino)-1-ethylbenzimidazole fumarate (2:3) 96233-53-3 Benzimidazole, 4,5,6,7-tetrahydro-5-(cyclopentylamino)-1-ethyl-, fumarate (2:3)