4-dimethoxyphosphoryl-1,1-diethoxybut-2-yne

(2-dimethoxyphosphorylcarbonylphenyl) acetate

[dimethoxyphosphoryl(phenylsulfanyl)methyl]sulfanylbenzene

1-(dimethoxyphosphorylmethylsulfanyl)-4-methylbenzene

Columbin