Showing structure for (2s,3s,4s,5r,6s)-6-{[(2s,3r,4s,5s,6s)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]oxy}-3,4,5-trihydroxy-6-[5-hydroxy-2-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxane-2-carboxylic acid