19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17alpha)-, mixt. with (17beta)-estra-1,3,5(10)-triene-3,17-diol and (16alpha,17beta)-estra-1,3,5(10)-triene-3,16,17-triol 66100-41-2 Kliogest Kliojest Trisekvens Trisequens