Showing structure for (2s,3s,4s,5r,6r)-2-[3-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxyphenyl]-5-hydroxy-4-(3,4,5-trihydroxybenzoyloxy)-6-[(3,4,5-trihydroxybenzoyloxy)methyl]oxan-3-yl 3,4,5-trihydroxybenzoate