19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diol mixed with 3-methoxy-17-alpha-19-norpregna-1,3,5(10)-trien-20-yn-17-ol 19-Norpregn-4-en-20-yne-3,17-diol, diacetate, (3beta,17alpha)-, mixt. with (17alpha)-3-methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol 19-Norpregn-4-en-20-yne-3beta,17alpha-diol diacetate mixt. with 3-methoxy-19-norpregna-1,3,5(10) trien-20-yn-17alpha-ol 8056-92-6 Bisecurin I Ethynodiol diacetate - mestranol mixture Ethynodiol diacetate-mestranol Ethynodiol mixed with mestranol Mestranol mixed with ethynodiol Metrulen Ovulen