(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(2-甲基苯基)膦

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