O,O-dimethyl cis-propenylphosphonate

Dimethyl trans-1-propenylphosphonate

methyl 3-oxo-2,3-diphenylpropanoate

2-dimethoxyphosphoryl-1,3-diphenylpropane-1,3-dione

1,3-diphenylpropane-1,2,3-trione N-dimethoxyphosphoryl-2-hydrazone