<unk> , or<unk> , also known as α,α-dimethyl-β-ethylallenolic acid or as methallenestrilphenol, is a synthetic, nonsteroidal estrogen and a derivative of allenolic acid that was never marketed. A methyl ether of<unk> , methallenestril (methallenestrol), is also an estrogen, but, in contrast to<unk> , has been marketed.
Allenestrol
Hexestrol
Dimestrol
Gestodene
Dienestrol
Fosfestrol
Moxestrol
Benzestrol