diethyl cyclopentanecarbonylphosphonate

1-[4-(diethoxyphosphorylmethyl)phenyl]ethanone

3,5-ditert-butyl-N-ethoxy-4-oxocyclohexa-2,5-dien-1-imine oxide

环丙基羰基膦酸二乙酯

五氟丙酸乙酯