Acetic acid (13S,17S)-3-acetoxy-2-iodo-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester

Acetic acid (13S,17S)-3-acetoxy-2-cyano-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester

3-O-benzyl-2-ethyl estradiol

2-ethyl-3-O-benzyl-estrone