磷酸二乙酯

Phosphonic acid, [2-oxo-1-(2-oxopropyl)butyl]-, diethyl ester

[2-Oxo-1,1-bis-(2-oxo-propyl)-butyl]-phosphonic acid diethyl ester

苄基膦酸二乙酯

1-diethoxyphosphorylbutan-2-ol