(S)-(-)-[(5,6),(5',6')-双(乙烯二氧)联苯-2,2'-基]二苯基磷

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN · CAS 503538-68-9