Showing structure for (carboxyoxy)({6-[(5,6-dihydroxy-2,4-dimethyloxan-3-yl)oxy]-7-hydroxy-2-methyl-8-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-hexahydropyrano[3,2-d][1,3]dioxin-2-yl})methanone