C 49249BaBa 49249Ethinyloestradiol mixt. with lynoestrenolLynoestrenol mixt. with ethinyloestradiolEthynylestradiol-lynestrenol mixt.DTXSID101001365SCHEMBL2946368319-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17-alpha)-, mixt. with (17-alpha)-19-norpregn-4-en-20-yn-17-ol