Showing structure for 2-{[3,4,13,21,22,23-hexahydroxy-8,18-dioxo-11,12-bis(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-5-yl]oxy}-3,4,5-trihydroxybenzoic acid