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3,4-Dihydroxybenzoic acid, min. 97 %, 10 g, glass
3,4-Dihydroxybenzoic acid, min. 97 %, Molar mass (M) 154,12 g/mol, CAS No. [99-50-3], EG-Nr. 202-760-0, Empirical formula C7H6O4