(4R,4aR,7R,7aR,12bS,14S)-14-acetamido-7,9-dimethoxy-1,2,7,7a-tetrahydro-7,4a-ethano-4,12-methanobenzofuro[3,2-e]isoquinoline-3(4H)-carboxamide

7α-(acetylamino)-N-allyl-6,14-endo-ethenotetrahydronorthebaine

7α-(acetylamino)-6,14-endo-etheno-N-propyltetrahydronorthebaine

2-bromo-N-((4R,4aR,7R,7aR,12bS,14S)-9-hydroxy-7-methoxy-3-propyl-1,2,3,4,7,7a-hexahydro-7,4a-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-14-yl)acetamide

7α-(acetylamino)-6,14-endo-ethenotetrahydronorthebaine