Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(8S,11S,13S,14S,17R)-17-Acetyl-11-(4-(dimethylamino)phenyl)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diyl Diacetate is an impurity of Ulipristal (U700800), a selective progesterone receptor modulator. Ulipristal is used as an emergency contraceptive.