CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3[C@H](O)C(=O)[C@H]4C[C@@H](O)CC[C@]4(C)[C@@]3(O)CC[C@]12C (3S,5S,7S,8R,9R,10S,13R,14S,17R)-3,7,9-trihydroxy-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,7,8,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-6-one