(17alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, mixt. with (3beta,17alpha)-19-norpregn-4-en-20-yne-3,17-diol diacetate 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17-alpha)-, mixt. with (3-beta,17-alpha)-19-norpregn-4-en-20-yne-3,17-diyl diacetate 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alph)-, mixt. with (3beta,17alpha)-19-norpregn-4-en-20-yne-3,17-diyl-diacetate 8075-78-3 Bisecurin Bisecurin II Conova 30 Demulen Ethynodiol diacetate mixt. with ethynylestradiol Ethynylestradiol mixt. with ethynodiol diacetate Ovamin 30 Ovulen 30 SC 11800 EE SC-11800 EE