CC(=O)O[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3C[C@@H](OC(C)=O)[C@]2(C)[C@H]1[C@@](C)(O)CCC=C(C)C [(8R,9S,10R,12R,13S,14S,16S,17R)-12-acetyloxy-17-[(2S)-2-hydroxy-6-methylhept-5-en-2-yl]-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-16-yl] acetate