19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-, acetate mixed with 19-nor-17-alpha-pregna-1,3,5-(10)-trien-20-yne-3,17-diol 8015-12-1 Anovlar Anovlar 21 Controvlar Ethinyl oestradiol mixed with norethisterone acetate Ethinylestradiol and norethindrone acetate Gyn-Anovlar Gynonlar 21 Minovlar Norethindrone acetate and ethinylestradiol Norethisterone acetate mixed with ethinyl oestradiol Norlestrin Primodos