17-(cyclopropylmethyl)-4,5α-epoxy-3,6β-dimethoxy-6,14-endoethenomorphinan-7α-carbohydrazide

17-(cyclopropylmethyl)-4,5α-epoxy-3,6β-dimethoxy-6,14-endoethenomorphinan-7α-(N-benzyloxycarbonyl)amine

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

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

(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