Showing structure for methyl 5-[2-(acetyloxy)ethylidene]-4-{2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl}-6-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4,6-dihydropyran-3-carboxylate