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Catsyn? 5'-(4-Carboxy-3-fluorophenyl)-3,3''-difluoro-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid 1660960-35-9 | CAS 1660960-35-9?? ?? ??? ?????. ? ??? null??, ???? g/mol??, ??? ????? NLT 98%???.