19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol; (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 17α-Ethynylestradiol; Amenoron;Eticylol; Eticyclin; Etivex; Feminone; Gynolett; Kolpolyn; Lynoral, Oradiol; Orestralyn; Primogyn; Ethynyl Estradiol (USP)