Synonyms: Morphinan-3,6,14-triol,4,5-epoxy-17-(2-propenyl)-, (5a,6a)- (9CI); Morphinan-3,6a,14-triol, 17-allyl-4,5a-epoxy- (8CI); 6-Hydroxynaloxone;6a-Naloxol; EN 2265;N-Allyl-14-hydroxy-7,8-dihydronormorphine;N-Allyl-7,8-dihydro-14-hydroxynormorphine; a-Naloxol