18075-21-3 4'-Ethoxy-3-(1-hexamethyleneimino)propiophenone hydrochloride 4'-Ethoxy-3-(hexahydro-1H-azepin-1-yl)propiophenone hydrochloride Propiophenone, 4'-ethoxy-3-(hexahydro-1H-azepin-1-yl)-, hydrochloride TG-5 p-Ethoxy-beta-hexamethyleniminopropiophenone hydrochloride