[6,6-二(二苯基膦基)-2,4-环己二烯-1-基](苯基)甲酮

1,3-双(二苯基膦甲基)苯

3-diphenylphosphoryl-1,3-diphenylpropan-1-one

2-[4-(1,3-dithian-2-yl)phenoxy]ethyl-diphenylphosphane

2-benzylsulfanylbutyl(diphenyl)phosphane