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1,3-Benzenedicarboxaldehyde,5-[(2R,3R)-8-formyl-3,4-dihydro-5,7-dihydroxy-3-(1-methylethyl)-6-(3-methyl-1-oxobutyl)-2H-1-benzopyran-2-yl]-2,4,6-trihydroxy-,rel- related products: