Showing structure for (2s,3s,4s,5r,6s)-6-{[6-(2,3-dihydroxy-4-methoxyphenyl)-9-hydroxy-8-oxo-2h-[1,3]dioxolo[4,5-g]chromen-7-yl]oxy}-3,4,5-trihydroxyoxane-2-carboxylic acid