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DIETHYL 2,2-DIETHOXYETHYLPHOSPHONATE Methyl diethylphosphonoacetate TRIETHYL 2-PHOSPHONOPROPIONATE Trimethyl phosphonoacetate BIS(2,2,2-TRIFLUOROETHYL) (METHOXYCARBONYLMETHYL)PHOSPHONATE Ethyl dimethylphosphonoacetate tert-Butyl 2-(dimethoxyphosphoryl)acetate TRIETHYL 2-PHOSPHONOPENTANOATE TRIETHYL ALPHA-PROPARGYLPHOSPHONOACETATE POTASSIUM P,P-DIMETHYLPHOSPHONOACETATE