(+-)-Pentazocine hydrochloride (2alpha,6alpha,11R*)-(1)-1,2,3,4,5,6-Hexahydro-6,11-dimethyl-3-(3-methylbut-2-enyl)-2,6-methano-3-benzazocin-8-ol hydrochloride 2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-6,11-dimethyl-3-(3-methyl-2-butenyl)-, hydrochloride, (2-alpha,6-alpha,11R*)-(+-)- 68964-90-9 EINECS 273-423-3