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Catsyn? 4',5'-Bis(3,5-diformylphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde | CAS 2764883-80-7?? ?? ??? ?????. ? ??? C40H26O8??, ???? 634.63g/mol??, ??? ????? NLT 98%???.