Synonyms: Malonicacid, di-2-propynyl-, diethyl ester (6CI,7CI,8CI); Propanedioic acid,di-2-propynyl-, diethyl ester (9CI); 2,2-(Dipropargyl)malonic acid diethylester; 4,4-Bis(ethoxycarbonyl)-1,6-heptadiyne; Diethyl2,2-bis(prop-2-ynyl)malonate; Diethyl bis(2-propynyl)malonate; Diethyldipropargylmalonate; NSC 28576; NSC 49377