(R)-(-)-4,12-BIS(DI(3,5-XYLYL)PHOSPHINO)-[2.2]-PARACYCLOPHANE, MIN. 95% CTH-(R)-3,5-XYLYL-PHANEPHOS;(R)-Xylyl-PHANEPhos, (R)-5,11-Bis(3,5-xylylphosphino)tricyclo[8.2.2.24,7]hexadeca-hexaene;(R)-5,11-Bis(3,5-xylylphosphino)tricyclo[8.2.24,7]hexadeca-hexa