2010-48-2

(3S,8R,9S,10R,13S,14S,17S)-17-(buta-1,3-diyn-1-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol (non-preferred name)