CC(=O)O[C@H](CCC(C)C)[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@H]3C[C@@H](OC(C)=O)[C@]12C [(8R,9S,10R,12R,13S,14S,17R)-17-[(2S,3R)-3-acetyloxy-6-methylheptan-2-yl]-10,13-dimethyl-3-oxo-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-12-yl] acetate