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Catsyn? 5'-Nitro-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid | CAS 2235382-00-8?? ?? ??? ?????. ? ??? C22H13NO10??, ???? 451.34g/mol??, ??? ????? NLT 98%???.