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Catsyn? [1,1':3',1'':3'',1'''-Quaterphenyl]-4,4'''-dicarboxaldehyde, 5',5''-bis(4-formylphenyl)-2',2'',4',4'',6',6''-hexamethyl- (9CI) | CAS 868046-55-3?? ?? ??? ?????. ? ??? C46H38O4??, ???? 654.79g/mol??, ??? ????? NLT 98%???.