双(二甲基膦)甲烷

1,2-双(二甲基瞵)乙烷

bis(dimethylphosphanylmethyl)bismuthanylmethyl-dimethylphosphane

[dimethylphosphanylmethyl(dimethyl)silyl]methyl-dimethylphosphane

dimethyl(trimethylstannylmethyl)phosphane