1,1-dimethoxy-3-(phenylseleno)-2-heptanone

chloro(dimethoxyphosphoryl)methane

(S)-Chloromethyl-phosphonic acid ethyl ester methyl ester

1-[chloromethyl(methoxy)phosphoryl]oxyethane

1,1,1-trimethoxy-2-(trifluoromethylsulfanyl)ethane