[3-[5-[3,5-Dihydroxy-4-(3,4,5-trihydroxyoxan-2-yl)oxyoxan-2-yl]oxy-3,4-dihydroxy-6-methyloxan-2-yl]oxy-4,5-dihydroxy-6-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxymethyl]oxan-2-yl] 5,11-dihydroxy-9-(hydroxymethyl)-3-[6-[3-hydroxy-6-(2-methylbutanoyloxy)-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,6-dimethylocta-2,7-dienoyl]oxy-2,2,6a,6b,9,12a-hexamethyl-10-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate