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1,5-anhydro-1-[(1R)-3-(carboxymethyl)-5,10-dihydroxy-1-methyl-6,9-dioxo-3,4,6,9-tetrahydro-1H-benzo[g]isochromen-8-yl]-2,3,6-trideoxy-3-(dimethylamino)-D-erythro-hexitol related products: