Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
3-O-Acetyl 17-Dehydroxy Ethinylestradiol is an intermediate in the synthesis of 17-epi-Ethynyl Estradiol (E685095). 17-epi-Ethynyl Estradiol (Ethinylestradiol EP Impurity A) is the epimer derivative of Ethynyl Estradiol (E685100), which is an impurity.