Showing structure for 3-{[(2s,3r,4s,5r,6s)-6-{[2-(3,5-dihydroxy-4-methoxyphenyl)-5,7-dihydroxy-4-oxochromen-3-yl]oxy}-4,5-dihydroxy-2-methyloxan-3-yl]oxy}-3-oxopropanoic acid