1474-78-8 AI3-18561 Diethyl carbethoxyphosphonate Diethyl ethoxycarbonylphosphonate Diethyoxyphosphinecarboxylic acid, ethyl ester, oxide EINECS 216-016-8 Ethyl diethoxyphosphinylformate Ethyl diethyl-phosphonoformate Ethyl diethylphosphonoformate Formic acid, phosphono-, triethyl ester NSC 108684 Phosphinecarboxylic acid, diethoxy-, ethyl ester, oxide Triethyl carboxyphosphonate Triethyl phosphonoformate Triethyl phosphonomethanoate