(R)-(-)-1-[(S)-2-双(3,5二甲基-4-甲氧基苯基)膦基二戊铁基]乙基二(3,5-二甲苯基)膦

1,2,3,4,5-cyclopentanepentayl, compd. with 1-[(1S)-1-[bis(3,5-dimethylphenyl)phosphino]ethyl]-2-[bis(4-methoxy-3,5-dimethylphenyl)phosphino]-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1) ·