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Catsyn? 2'-Amino-5'-(4-carboxyphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid | CAS 1414662-67-1?? ?? ??? ?????. ? ??? C27H19NO6??, ???? 453.44g/mol??, ??? ????? NLT 98%???.