Synonyms: 1,1,2,2-Ethanetetracarboxylicacid, tetraethyl ester (6CI,7CI,8CI,9CI); 1,1,2,2-Tetracarbethoxyethane;1,1,2,2-Tetrakis(ethoxycarbonyl)ethane; Diethyl2,3-bis(ethoxycarbonyl)succinate; NSC 2203; NSC 693435; Tetraethyl1,1,2,2-ethanetetracarboxylate; Tetraethyl ethanetetracarboxylate;Tetrakis(ethoxycarbonyl)ethane