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Catsyn? S-(+)-5,5'-bis(diphenylphosphino)-2,2,2',2'-tetrafluoro-4,4'-BI-1,3-benzodioxole [(S)-difluorphos] | CAS 503538-70-3?? ?? ??? ?????. ? ??? null??, ???? g/mol??, ??? ????? NLT 98%???.