Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(1R,10bS,12aS)-12a-Ethyl-1-ethynyl-1-hydroxy-1,2,3,3a,4,5,7,9,10,10a,10b,11,12,12a-tetradecahydrocyclohepta[a]cyclopenta[f]naphthalen-8(3bH)-one is an impurity of Norgestrel (N689510) which is an emergency contraceptive.