N-(cyclopropylmethyl)-14β-hydroxynormorphine

14β-amino-5β-methyl-N-(cyclopropylmethyl)norcodeinone

(5α,7α)-7-amino-17-(cyclopropylmethyl)-4,5-epoxy-6-methoxy-6,4-ethanomorphinan-3-ol

5β-methyl-14β-<(p-nitrocinnamoyl)amino>-N-(cyclopropylmethyl)norcodeinone

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