(3-oxo-propyl)-malonic acid diethyl ester, diethyl 2-(3-oxo-propyl)malonate, |A,|A-Dicarbethoxybutyraldehyde, diethyl(3-oxopropyl)malonate, diethyl 2-(4-oxobut-2-yl)malonate, 4,4-bis(ethoxycarbonyl)butanal, EINECS 243-121-6, (3-Oxo-propyl)-malonsaeure-diaethylester