(5alpha,17alpha)-5,17-Dihydroxy-19-norpregn-20-yn-3-one 101409-94-3 19-Norpregn-20-yn-3-one, 5,17-dihydroxy-, (5alpha,17alpha)- 5,17-Dihydroxy-5,17,19-norpregn-20-yn-3-one Dhnpyo