Terephthalic acid,tetrachloro; 2,3,5,6-Tetrachloroterephthalic acid; Perchloroterephthalic acid; tetrachloroterephthalic acid; 2,3,5,6-Tetrachloro-1,4-benzenecarboxylic acid; Chlorthal; DCPA; tetrachlorobenzene-1,4-dicarboxylic acid; 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid; 2,3,5,6-tetrachloro-1,4-benzenedicarboxylic acid; Caswell No. 833A; 2,3,5,6-tetrachloroterephthalic acid; Tetrachloroterephthalic acid
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