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Catsyn? 9,9-Dimethyl-N2,N7-DI(naphthalen-1-YL)-9H-fluorene-2,7-diamine | CAS 1353720-36-1?? ?? ??? ?????. ? ??? C35H28N2??, ???? 476.61g/mol??, ??? ????? NLT 98%???.