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4aH-Xanthene-4a-carboxylicacid,7-(1,2,3,4,9,9a-hexahydro-4,8,9a-trihydroxy-3-methyl-9,11-dioxo-1,4a-(epoxymethano)-4aH-xanthen-7-yl)-2,3,4,9-tetrahydro-1,4,8-trihydroxy-3-methyl-9-oxo-,methyl ester (9 related products: