2-<2-(1-cyano-4-methoxybenzocyclobutenyl)-1-nitroethyl>-1-ethenyl-5,5-(ethylenedioxy)-1-methylcyclohexane

6β-hydroxy-17-methoxy-D-homo-18-nor-5α-androsta-2,13,15,17-tetraene

8α-cyano-17-methoxy-6-oxo-D-homo-18-nor-5β-androsta-2,13,15,17-tetraene