(S)-1-{(S)-2-[2-(DICYCLOHEXYLPHOSPHINO)PHENYL]FERROCENYL}ETHYLBIS[3,5-BIS(TRIFLU;(s)-1-{(s)-2-[2-(dicyclohexylphosphino)phenyl]ferrocenyl}ethylbis[3,5-bis(trifluoromethyl)phenyl]phosphine;(S)-1-{(SP)-2-[2-(Dicyclohexylphosphino)phenyl]ferrocenyl}ethylbis[3,5-bis(trifluoroMethyl)phenyl]phosphine;(S)-1-[(Sp)-1-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ethyl]-2-[2-(dicyclohexylphosphino)phenyl]ferrocene;(S)-1-[(S)-1-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino] ethyl]-2-[2-(dicyclohexylphosphino)phenyl]ferrocene;(S)-1-[(S)-2-(2'-Dicyclohexylphosphino-phenyl)-ferrocenyl]-ethyl-di-(bis-(3,5-trifluoromethyl)-phenyl)phosphine;(s,s)-1-{1-[bis[3,5-bis(trifluoromethyl)phenyl]phosphino]ethyl}-2-[2-(dicyclohexylphosphino)phenyl]ferrocene (acc to cas)