(5S,8S,11R,13S,14S,17R)-11-(4-(dimethylamino)phenyl)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2′-[1,3]dioxolane]-5,17-diol