3,17β-Dihydroxy-17α-ethynylestra-1,3,5(10)-trien-6-one; (17α)-3,17-Dihydroxy-19-norpregna-1,3,5(10)-trien-20-yn-6-one; Ethynyl Estradiol Impurity G (EP); USP Ethinyl Estradiol Related Compound A; Ethinylestradiol EP Impurity G
3,17β-Dihydroxy-17α-ethynylestra-1,3,5(10)-trien-6-one; (17α)-3,17-Dihydroxy-19-norpregna-1,3,5(10)-trien-20-yn-6-one; Ethynyl Estradiol Impurity G (EP); USP Ethinyl Estradiol Related Compound A; Ethinylestradiol EP Impurity G