Showing structure for 2-{[3,4,5,12,13,22,23-heptahydroxy-8,18-dioxo-11-(3,4,5-trihydroxybenzoyloxy)-9,14,17-trioxatetracyclo[17.4.0.0²,⁷.0¹⁰,¹⁵]tricosa-1(23),2(7),3,5,19,21-hexaen-21-yl]oxy}-3,4,5-trihydroxybenzoic acid