Similar names: Propanedioic acid, 2-(ethoxymethylene)-, 1,3-diethyl ester ; Malonic acid, (ethoxymethylene)-, diethyl ester (6CI,7CI,8CI); Propanedioic acid, (ethoxymethylene)-, diethyl ester (9CI); (Ethoxymethylene)malonic acid diethyl ester; (Ethoxymethylene)propanedioic acid diethyl ester; 2-(Ethoxymethylene)malonic acid diethyl ester; 2-Ethoxy-1,1-bis(ethoxycarbonyl)ethene; Diethyl (ethoxymethylene)malonate; Diethyl (ethoxymethylene)propanedioate; Diethyl 2-(ethoxymethylene)malonate; Diethyl 2-(ethoxymethylene)propanedioate; Diethyl 2-(ethoxymethylidene)propanedioate; Diethyl 2-[(ethyloxy)methylidene]propanedioate; Diethyl 2-ethoxymethylidene malonate; Diethyl ethoxymethylidenemalonate; Diethyl[(ethyloxy)methylidene]propanedioate; Ethyl 3-ethoxy-2-(ethoxymethylene)-3-oxopropanoate; NSC 62117; NSC 9068; Nalidixic acid impurity C (EP)