Similar names: Mestranol; 3-methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol; 19-Nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy- (6CI,8CI); 17-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17β-o1; 17-Ethynyl-3-methoxyestra-1,3,5(10)-trien-17β-ol; 17-Ethynylestradiol 3-methyl ether; 17α-Ethinylestradiol 3-methyl ether; 17α-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17β-ol; 17α-Ethynyl-3-methoxy-17β-hydroxy-Δ1,3,5(10)-estratriene; 17α-Ethynylestradiol 3-methyl ether; 17α-Ethynylestradiol methyl ether; 3-Methoxy-17α-ethinylestradiol; 3-Methoxy-17α-ethynylestradiol; 3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol; 3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17β-ol; 3-Methoxyethynylestradiol; 3-Methylethynylestradiol; 3-O-Methyl-17α-ethynylestradiol; 3-O-Methylethynylestradiol; 33355; 8027 C. B.; Devocin; EE 3ME; Ethinylestradiol 3-methyl ether; Ethynylestradiol 3-methyl ether; Ethynylestradiol 3-monomethyl ether; Ethynylestradiol methyl ether; Inostral; Menophase; Mestranol; NSC 84032; Norquen; Ovastol; SC 4725; δ-MVE; 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, (17α)-