[(3s,5s,6s,8r,9s,10s,13r,17r)-14-hydroxy-6,10,13-trimethyl-17-(5-oxo-2h-furan-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-yl] Acetate