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Catsyn? 4'',5''-Bis(4'-formyl-[1,1'-biphenyl]-4-YL)-[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarbaldehyde | CAS 2376339-70-5?? ?? ??? ?????. ? ??? C58H38O4??, ???? 798.92g/mol??, ??? ????? NLT 98%???.