Synonyms: AC1L56NW;[(3S,8R,9S,10R,13S,14S)-17-acetyloxy-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate; (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol;19-Norpregn-4-en-20-yne-3,17-diol, diacetate, (3beta,17alpha)-, mixt. with (17beta)-estra-1,3,5(10)-triene;51248-70-5