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Catsyn? 5'-(4-Carboxyphenyl)-2'-methoxy-4'-methyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid | CAS 1842393-49-0?? ?? ??? ?????. ? ??? C29H22O7??, ???? 482.48g/mol??, ??? ????? NLT 98%???.