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