(s,s)-1-(di-tert-butylphosphino)-2-[1-(diphenylphosphino)ethyl]ferrocene (acc to cas);(S)-1-[(RP)-2-(Di-tert-butylphosphino)ferrocenyl]ethyldiphenylphosphine;s-tbu-ph;cyclopenta-1,3-diene,ditert-butyl-[5-[(1S)-1-diphenylphosphanylethyl]cyclopenta-1,3-dien-1-yl]phosphane,iron(2+);(1S)-1-[BIS(1,1-DIMETHYLETHYL)PHOSPHINO]-2-[(1S)-1-(DIPHENYLPHOSPHINO)ETHYL]FERROCENE;(1S)-1-[BIS(1,1-DIMETHYL;)PHOSPHINO]-2-[(1S)-1-(DIPHENYL;(S)-1-[(Rp)-2-(Di-t-butylphosphino)ferrocenyl]ethyldiphenylphosphine