4,5α-epoxy-6-methoxy-17-methyl-6β,14-ethano-morphin-7-en-3-ol

17-allyl-4,5α-epoxy-3,6-dimethoxy-6α,14α-etheno-morphinan-7-one

4,5α-epoxy-3,6-dimethoxy-17-methyl-6α,14α-ethano-morphinane-7β-carbonitrile

4',5'α-epoxy-3',6'-dimethoxy-17'-methyl-(7'βN)-spiro[aziridine-2,7'-(6α,14α-etheno-morphinane)]