19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-, mixt. with (17alpha)-13-ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-ol
19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-, mixt. with (17alpha)-13-ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-ol