71990-00-6 2,6-Methano-3-benzazocin-8-ol, 6-ethyl-1,2,3,4,5,6-hexahydro-3-((1-hydroxycyclopropyl)methyl)-11,11-dimethyl- 6-Ethyl-1,2,3,4,5,6-hexahydro-3-((1-hydroxycyclopropyl)methyl)-11,11-dimethyl-2,6-methano-3-benzazocin-8-ol Bremazocine [INN] dl-Bremazocine