(+)-17.alpha.-Ethynyl-17.beta.-hydroxy-3-methoxy-1,3,5(10)-estratriene (+)-17.alpha.-Ethynyl-17.beta.-hydroxy-3-methoxy-1,3,5(10)-oestratriene .delta.-MVE 17-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17.beta.-ol 17-Ethynyl-3-methoxy-1,3,5(10)-oestratien-17.beta.-ol 17-Ethynylestradiol 3-methyl ether 17.alpha.-19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy- 17.alpha.-Ethinyl estradiol 3-methyl ether 17.alpha.-Ethinyl oestradiol 3-methyl ether 17.alpha.-Ethinylestradiol 3-methyl ether 17.alpha.-Ethynyl-3-methoxy-17.beta.-hydroxy-.delta.-1,3,5(10)-estratriene 17.alpha.-Ethynyl-3-methoxy-17.beta.-hydroxy-.delta.-1,3,5(10)-oestratriene 17.alpha.-Ethynylestradiol 3-methyl ether 17.alpha.-Ethynylestradiol methyl ether 17.alpha.-Ethynyloestradiol 3-methyl ether 17.beta.-Estradiol, 17-ethynyl-, 3-(methyl ether) 19-Nor-17.alpha.-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy- 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, (17.alpha.)- 3-Methoxy-17.alpha.-ethinylestradiol 3-Methoxy-17.alpha.-ethinyloestradiol 3-Methoxy-17.alpha.-ethynyl-1,3,5(10)-estratrien-17.beta.-ol 3-Methoxy-17.alpha.-ethynyl-1,3,5(10)-oestratrien-17.beta.-ol 3-Methoxy-17.alpha.-ethynylestradiol 3-Methoxy-17.alpha.-ethynyloestradiol 3-Methoxy-19-nor-17.alpha.-pregna-1,3,5(10)-trien-20-yn-17-ol 3-Methoxyethynylestradiol 3-Methylethynylestradiol 3-O-Methylethynylestradiol 72-33-3 8027 C. B. Compound 33355 Devocin EE(sub3)ME EE3ME Estra-1,3,5(10)-trien-17.beta.-ol, 17-ethynyl-3-methoxy- Ethinylestradiol 3-methyl ether Ethinyloestradiol 3-methyl ether Ethynylestradiol 3-methyl ether Ethynylestradiol methyl ether Ethynyloestradiol 3-methyl ether Inostral Mestranol NSC84032 Norquen Ovastol SC 4725 WLN: L E5 B666TTT&J E1 FQ F1UU1 OO1 component of C-Quens component of Enovid component