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Catsyn? 2',3',5',6'-Tetrafluoro-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid | CAS 1119196-00-7?? ?? ??? ?????. ? ??? C22H10F4O8??, ???? 478.30g/mol??, ??? ????? NLT 98%???.