7,9-dimethoxy-3-methyl-1,2,3,4,7,7a-hexahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-14-one

4,5α-epoxy-6,19,19-trimethoxy-17-methyl-6β,14-ethano-morphin-7-en-3-ol

7,9,14,14-tetramethoxy-3-methyl-1,2,3,4,7,7a-hexahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinoline

4,5α-epoxy-7-hydroxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinane-7ξ-carboxylic acid hydrazide

7β-chloro-7α-cyano-4,5α-epoxy-3,6-dimethoxy-N-methyl-6α,14α-endo-ethenoisomorphinane