CC(=O)OC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C [(2S)-2-[(5S,8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]propyl] acetate