3-diethoxyphosphoryl-6-methylhept-5-en-2-one

[diethoxyphosphorylmethyl(phenyl)phosphoryl]benzene

1-diethoxyphosphoryl-4-methylpentan-2-one

2-diethoxyphosphoryl-5-methylhexan-3-one

4-diethoxyphosphoryldec-1-en-5-one