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