Strem Chemicals INC.
(R)-(-)-2,2'-双[二(3,5-二异丙基-4-二甲胺苯基)磷]-6,6'-二甲氧基-1,1'-联苯
环己基膦
racemic-2-二-t-丁基磷-1, 1'-联萘
(S)-(+)-(3,5-二氧-4-磷环己基[2,1-a;3,4-a']4-二萘基)哌啶