(S)-1-{(RP)-2-[二(2-呋喃基)膦基]二茂铁基}乙基二(3,5-二甲苯基)膦; (S)-1-[(R)-2-(二-2-呋喃膦基)二茂铁基]乙基双-3,5-二甲苯基膦; (S)-1-{(RP)-2-[Di(2-furyl)phosphino]ferrocenyl}ethyldi(3,5-xylyl)phosphine; 1,2,3,4,5-Cyclopentanepentayl, compd. with 1-[(1R)-1-[bis(3,5-dimethylphenyl)phosphino]ethyl]-2-(di-2-furanylphosphino)-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1)