D-13β-Ethyl-11-methylenegon-4-en-17α-ol

D-13β-Ethyl-3,3-ethylenedithio-11-methylenegon-4-ene-17α-ol

D-13β-Ethyl-11β-hydroxy-11α-methylgon-5-ene-3,11-dione-3,17-diethylene ketal

13-ethyl-11β-hydroxygon-5-ene-3,17-dione cyclic bis(1,2-ethanediyl acetal)

13-ethyl-11-methylenegon-5-ene-3,17-dione cyclic bis(1,2-ethanediyl acetal)