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Catsyn? 4',4'''-(2,2-Diphenylethene-1,1-diyl)bis([1,1'-biphenyl]-4-carbaldehyde) | CAS 2131097-89-5?? ?? ??? ?????. ? ??? C40H28O2??, ???? 540.65g/mol??, ??? ????? NLT 98%???.