Strem Chemicals INC.
(S)-(-)- 2,2‘-双(二苯基膦)-6,6'-二甲氧基- 1,1' -联苯
(2S,4S)-(-)-2,4-双(二苯基磷)戊烷
双(二异丙基氨基)氯膦
(-)-1,2-双((2R,5R)-2,5-二苯基磷)乙烷