Showing structure for 5-[(5-{[3,4-dihydroxy-4-(hydroxymethyl)oxolan-2-yl]oxy}-3,4-dihydroxy-6-{[5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-4-oxochromen-3-yl]oxy}oxan-2-yl)methoxy]-3-hydroxy-3-methyl-5-oxopentanoic acid