(2S,3S,4S,5R,6R)-6-{[(3S,4aR,6aR,6bS,8aS,12aS,14aR,14bR)-8a-({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}carbonyl)-4,4,6a,6b,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydrocyclohexa[1,2-a]chrysen-3-yl]oxy}-3,4,5-trihydroxytetrahydropyran-2-carboxylic acid