Ethane-1,2-diylbis[bis(pentafluorophenyl)phosphane]1,2-Bis[bis(perfluorophenyl)phosphino]ethane 98%1,2-Bis[bis(pentafluorophenyl)phosphino]ethane1,2-双(二五氟代苯基磷基)-乙烷1,2-Bis[bis(pentafluorophenyl)phosphino]ethane1,2-Bis(dipentafluorophenylphosphino)ethane1,2-Ethanediylbis[bis(pentafluorophenyl)phosphineDfppeBis(dipentafluorophenylphosphine)ethane1,2-双(二五氟苯基磷)乙烷1,2-Bis(dipentafluorophenylphosphino)ethane