(-)-N-fluoropropylnormetazocine
(-)-(1S,2R)-N,N-diethyl-2-{[(2R,6R,11R)-8-hydroxy-6,11-dimethyl-1,4,5,6-tetrahydro-2,6-methano-3-benzazocin-3(2H)-yl]methyl}-1-phenylcyclopropanecarboxamide oxalate
(-)-(2R,6R,11R)-3-{[(1R,2S)-2-(hydroxymethyl)-2-phenylcyclopropyl]methyl}-6,11-dimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-8-ol oxalate
(-)-((1S,2R)-2-{[(2R,6R,11R)-8-hydroxy-6,11-dimethyl-1,4,5,6-tetrahydro-2,6-methano-3-benzazocin-3(2H)-yl]methyl}-1-phenylcyclopropyl)methyl acetate oxalate
(-)-(1S,2R)-2-{[(2R,6R,11R)-8-hydroxy-6,11-dimethyl-1,4,5,6-tetrahydro-2,6-methano-3-benzazocin-3(2H)-yl]methyl}-1-phenyl-N-[(1R)-1-phenylethyl]cyclopropanecarboxamide oxalate