Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
5β,10β-Epoxy-3,3-ethylenedioxy-17β-hydroxy-17α-(prop-1-ynyl)estr-9(11)-ene is an intermediate in the synthesis of 11-ent-Mifepristone (M343980), which is an enantiomic impurity of Mifepristone (M343975), a progesterone receptor antagonist with partial agonist activity.