苯基膦酸二乙酯

2,2-dimethyl-1-phenyl-germaphosphene

2,2,4,4-tetraethyl-1,3-diphenyl-1,3,2,4-diphosphadigerminane

3-dimethylgerma 1,2-diphenyl 1,2-diphospholane

3,3-dimethyl-2-(dimethylphenylgermyl)-1-phenyl-1,2,3-diphosphagermolane