Synonyms: Ambap51-98-9;AC1L1Y81;38673-38-0;ZINC00001833;NCGC00183366-01;19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-;19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-, acetate;19-Norpregnan-4-en-20-yn-3-one, 17-hydroxy-, acetate;[(8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate