<unk>  (brand names Fenocyclin, Surestrine, Surestryl; former developmental code name RS-2874), also known as fenocycline, as well as cis-bisdehydrodoisynolic acid 7-methyl ether (BDDA ME), is a synthetic nonsteroidal estrogen of the doisynolic acid group that is no longer marketed. It is a methyl ether of bisdehydrodoisynolic acid.<unk>  was described in the literature in 1945. It has about 0.02% of the relative binding affinity of estradiol for the estrogen receptor.
Doisynoestrol
Hexestrol
Allenestrol
Dimestrol
Estradiol dienantate
Dienestrol
Gestodene
Pentagestrone acetate