(3S,8R,9S,10R,13S,14S,17S)-3'-allyl-3-hydroxy-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydrospiro[cyclopenta[a]phenanthrene-17,5'-oxazolidin]-2'-one

(8R,9S,10R,13S,14S,17S)-3'-allyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,5'-oxazolidine]-2',3(2H)-dione

17β,20-Isopropylidendioxy-21-nor-17α-pregn-5-en-3β-ol

17β,20-Isopropylidendioxy-21-nor-17α-pregn-4-en-3-on

17α-hydroxymethyl-3-oxo-4-androsten-17β-ol