(3S,4R,5S,6S,8S,9R,10R,13R,14S,15R,16R,17R)-17-[(2R)-7-hydroxy-6-methyl-heptan-2-yl]-10,13-dimethyl-1,2,3,4,5,6,7,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthrene-3,4,6,8,15,16-hexol