1,2-双(二乙基磷)乙烷

1,2-乙烷二基二[二(4-甲基苯基)膦]

2-bis(4-fluorophenyl)phosphanylethyl-bis(4-fluorophenyl)phosphane

2-bis(2-methoxyphenyl)phosphanylethyl-bis(2-methoxyphenyl)phosphane

2-di(propan-2-yl)phosphanylethyl-di(propan-2-yl)phosphane