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Catsyn? 5'-([2,2':6',2''-Terpyridin]-4'-YL)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid | CAS 2230706-35-9?? ?? ??? ?????. ? ??? C35H23N3O4??, ???? 549.57g/mol??, ??? ????? NLT 98%???.