16676-26-9 4,5-Epoxy-3,14-dihydroxy-17-(3-methyl-2-butenyl)morphinan-6-one 4,5alpha-Epoxy-3,14-dihydroxy-N-(3-methyl-2-butenyl)-6-morphinanon 7,7a,8,9-Tetrahydro-3,7a-dihydroxy-12-(3-methyl-2-butenyl)-6H-8,9c-iminoethanophenantro(4,5-bcd)furan-5(4alphaH)-on 7,8-Dihydro-14-hydroxy-N-(3-methyl-2-butenyl)normorphinone Morphinan-6-one, 4,5-epoxy-3,14-dihydroxy-17-(3-methyl-2-butenyl)-. (5alpha)- NALMEXONE Nalmessone [DCIT] Nalmexona [INN-Spanish] Nalmexonum [INN-Latin] UM 592