Quantitative determination of ethinyl estradiol by gas chromatography, and a comparison of gas chromatographic and U.S.P. procedures.
D002626:Chemistry, Pharmaceutical; D002849:Chromatography, Gas; D003276:Contraceptives, Oral; D004116:Dimethisterone; D004997:Ethinyl Estradiol / Q000032:analysis*
D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D004116:Dimethisterone