Showing structure for 2-[5-({[3,4,5,14,20,21,22-heptahydroxy-13-(hydroxymethyl)-8,17-dioxo-9,12,16-trioxatetracyclo[16.4.0.0²,⁷.0¹⁰,¹⁵]docosa-1(22),2(7),3,5,18,20-hexaen-11-yl]oxy}carbonyl)-2,3-dihydroxyphenoxy]-3,4,5-trihydroxybenzoic acid