Synonyms: 2,6-Methano-3-benzazocin-8-ol,1,2,3,4,5,6-hexahydro-6,11-dimethyl-3-(2-phenylethyl)-, hydrobromide (9CI);2,6-Methano-3-benzazocin-8-ol,1,2,3,4,5,6-hexahydro-6,11-dimethyl-3-phenethyl-, hydrobromide (6CI,8CI);1,2,3,4,5,6-Hexahydro-8-hydroxy-6,11-dimethyl-3-phenethyl-2,6-methano-3-benzazocinehydrobromine; 2'-Hydroxy-5,9-dimethyl-2-phenethyl-6,7-benzomorphanhydrobromide; NIH 7519; Narphen; Phanazocine; Phenazocine hydrobromide;Prinadol; Prinadol hydrobromide; SKF 6574; Xenagol