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Catsyn? N4,N4-DI([1,1'-biphenyl]-4-YL)-N4'-([1,1':4',1''-terphenyl]-4-YL)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine | CAS 897671-59-9?? ?? ??? ?????. ? ??? C60H44N2??, ???? 793.00g/mol??, ??? ????? NLT 98%???.