1,3-Diacetyl-17alpha-ethinyl-7alpha-methyl-1,3,5(10)estratriene-17,3-ol 74178-54-4 Daemet-17,3-OL Ethanone, 1-((7alpha,17alpha)-3-(acetyloxy)-17-hydroxy-7-methyl-19-norpregna-1,3,5(10)-trien-20-yn-1-yl)-