14-O-methylcodeinone

14-O-methylnaltrexone

1-chloroethyl (4R,4aS,7aR,12bS)-9-(benzyloxy)-4a-methoxy-7-oxo-1,2,4,4a,7,7a-hexahydro-3H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate

(-)-4,5-epoxy-3-hydroxy-14-methoxy-N-methylmorphinan-6-one hydrobromide

3-(Benzyloxy)-7,8-didehydro-4,5α-epoxy-14β-methoxymorphinan-6-one

5,6-didehydro-3,4,14β-trimethoxy-17-methylmorphinan-6-carbonitrile

ent-4,5β-epoxy-3,9β-dimethoxy-17-methyl-hasubanan-6-one

ent-4,5β-epoxy-9ξ-hydroxy-3-methoxy-17-methyl-hasuban-7-en-6-one

14-O-Methylnaltrexone Azine

5,6,7,8-tetradehydro-3,4,14β-trimethoxy-17-methylmorphinan-6-carbonitrile

(-)-4,5α-epoxy-14-methoxy-N-methylmorphinan-6-one

ent-4,5β-epoxy-3,9β-dimethoxy-17-methyl-hasuban-7-en-6-one