CC(=O)O[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]2(C)[C@H]1C(C)(O)CCC=C(C)C [(8S,9S,10R,13S,14S,16S,17R)-17-(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