((2S,3S)-丁烷-2,3-二基)双(二苯基膦)

Phosphine, (oxydimethylene)bis[diphenyl- (en)

4-(4-phenylbut-1-en-3-yn-2-yl)morpholine

1,2-双(二苯基膦基)丙烷

2-二苯基膦-6-甲基吡啶