(S)1[(1R)2(diphenylphosphino)ferrocenyl] et-dicyclohexylphos; (S)-1-[(1R)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine; 1,2,3,4,5-cyclopentanepentayl, compd. with 1-[(1S)-1-(dicyclohexylphosphino)ethyl]-2-(diphenylphosphino)-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1); (S)-(R)-Josiphos; (S)-(+)-1-[(R)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine ethanol adduct