Showing structure for (2s,3r,4s,5s,6r)-2-{[2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxochromen-3-yl]oxy}-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl 3,4,5-trihydroxybenzoate