potassium 2-ethoxy-2-oxoacetate, potassium monoethyl oxalate, Cyan-essigsaeure,Kaliumsalz, potassium cyanoacetate, cyano-acetic acid,potassium salt, Oxalsaeure-monoethylester-Kaliumsalz, Oxalsaeure-monoaethylester,Kalium-Verbindung, potassium 2-cyanoacetate, oxalic acid monoethyl ester,potassium-compound, cyanoacetate potassium, ethyl potassium oxalate