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1-(1,2,3,8,13,14,15-heptahydroxy-5,11-dioxo-5,8,9,11-tetrahydro-7H-dibenzo[g,i][1,5]dioxacycloundecin-7-yl)-1-hydroxy-3-oxopropan-2-yl 3,4,5-trihydroxybenzoate related products: