Showing structure for (1s,4r,6s,7s,8r,17r,18s,20r,21s)-4,6,7,11,12,21-hexahydroxy-20-(hydroxymethyl)-3,15-dioxo-2,16,19,22-tetraoxapentacyclo[15.3.1.1⁷,¹⁰.0⁴,⁸.0⁹,¹⁴]docosa-9(14),10,12-trien-18-yl 3,4,5-trihydroxybenzoate