(+-)-1-((2R*,6S*,11S*)-1,2,3,4,5,6-Hexahydro-8-hydroxy-3,6,11-trimethyl-2,6-methano-3-benzazocin-11-yl)-3-octanone methanesulfonate (salt) 3-Octanone, 1-(1,2,3,4,5,6-hexahydro-8-hydroxy-3,6,11-trimethyl-2,6-methano-3-benzazocin-11-yl)-, methanesulfonate (salt), (2alpha,6alpha,11S*)-(+-)- 73789-00-1 TONAZOCINE MESYLATE Tonazocine mesylate [USAN]