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Catsyn? (R)-(+)-5,5'-Bis(diphenylphosphino)-4,4'-BI-1,3-benzodioxole [(R)-segphos] | CAS 244261-66-3?? ?? ??? ?????. ? ??? C38H28O4P2??, ???? 610.57g/mol??, ??? ????? NLT 98%???.