英文别名
                        Citrolacton-triaethylester;2-ethoxycarbonylmethyl-4,5-dioxo-tetrahydro-furan-2,3-dicarboxylic acid diethyl ester;2-Aethoxycarbonylmethyl-4,5-dioxo-tetrahydro-furan-2,3-dicarbonsaeure-diaethylester;diethyl 2-(2-ethoxy-2-oxoethyl)-4,5-dioxooxolane-2,3-dicarboxylate