Showing structure for 4-[(3as,5ar,7s,9as,11ar)-7-{[(2r,3r,4s,5s,6r)-3,5-dihydroxy-4-methoxy-6-methyloxan-2-yl]oxy}-3a-hydroxy-9a,11a-dimethyl-tetradecahydrocyclopenta[a]phenanthren-1-yl]-5h-furan-2-one