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