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Catsyn? 5'-(3,5-Dicarboxyphenyl)-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylicacid | CAS 1228047-99-1?? ?? ??? ?????. ? ??? C30H18O12??, ???? 570.46g/mol??, ??? ????? NLT 98%???.