二甲基二硫醚

bis(3-phenylpropyl)[1,2-bis(diphenylphosphanyl)ethane]palladium

{Pd(1,2-bis(diphenylphosphanyl)ethane)(C2H4)}

1,4-双(二苯基膦)丁烷

1,3-双(二苯基膦)丙烷