Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;
应用:
3-(tert-Butyldimethylsiloxy)-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol is an intermediate used in the synthesis of 9,11-Dehydro Ethynyl Estradiol (D229610), which is a degradation product of Ethynyl Estradiol (EE); an impurity of Ethynyl Estradiol (E685100).