Showing structure for 2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-3-{[(2r,3r,4r,5r,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}chromen-7-yl (2s,3s,4s,5r,6r)-3,4,5,6-tetrahydroxyoxane-2-carboxylate