(+ )-17.Alpha.-Ethynyl-17.beta.-hydroxy-3-methoxy-1,3, 5(10)-oestratriene (+)-17.Alpha.-Ethynyl-17.beta.-hydroxy-3-methoxy-1,3, 5(10)-estratriene .delta.-MVE 17-Ethynyl-3-methoxyestra-1,3,5(10)-trien-17-ol 17.Alpha.-19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-meth 3-Methoxyethynylestradiol 3-Methylethynylestradiol 3-O-Methylethynylestradiol 72-33-3 AIDS-125773 AIDS125773 Component of C-Quens Component of Enovid Component of Norinyl Component of Norquen Component of Ortho-Novum Component of Ovulen Compound 33355 Devocin EE(sub3)ME EE3ME Ethynylestradiol 3-methyl ether Ethynylestradiol methyl ether Inostral Mestranol NSC84032 Norquen Ovastol SC 4725