Showing structure for 3,4,5-trihydroxy-6-[(3,4,5-trihydroxybenzoyloxy)methyl]oxan-2-yl 3,4-dihydroxy-5-({3,4,5-trihydroxy-6-[(3,4,5-trihydroxybenzoyloxy)methyl]oxan-2-yl}oxy)benzoate