16676-27-0 4,5alpha-Epoxy-3,14-dihydroxy-N-(3-methyl-2-butenyl)-6-morphinanon hydrochlorid 7,8-Dihydro-14-hydroxy-N-(3-methyl-2-butenyl)normorphinone hydrochloride Morphinan-6-one, 4,5-epoxy-3,14-dihydroxy-17-(3-methyl-2-butenyl)-. (5alpha)-, monohydrochloride Nalmexone hydrochloride Nalmexone hydrochloride [USAN]