Showing structure for 1-{3,4,5,11,17,18,19-heptahydroxy-8,14-dioxo-9,13-dioxatricyclo[13.4.0.0²,⁷]nonadeca-1(15),2,4,6,16,18-hexaen-10-yl}-3-oxo-2-(3,4,5-trihydroxybenzoyloxy)propyl 3,4,5-trihydroxybenzoate