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                   2,3-Dihydroxybenzoic acid
                   2,3-dimethoxybenzoic acid
                   3,4-Dihydroxybenzaldehyde
                   3,4-dimethoxybenzoic acid
                   3,4-Dihydroxycinnamic acid
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            2,3-Dihydroxybenzoic acid
            Appearance: Off-white crystalline powder
            Assay: ≥99%
            Melting Point: 202-205℃
            Moisture: ≤0.5%
            Packing: 25KG/Drum
            Structural formula:

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