Methallenestril is an estrogen. It is a seco-analogue of bisdehydrodoisynolic acid. Vallestril was a brand of methallenestril issued by G. D. Searle & Company in the 1950s. ...
A,alpha-Dimethyl-beta-ethyl-6-methoxy-2-naphthalene propionic acid;an orally effective, nonsteroid oestrogenic compound. ... (05 Mar 2000) ...