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