DIETHYL N-AMYLMALONATE, diethyl 2-pentylmalonate, diethyl n-pentylmalonate, diethyl 2-pentylpropanedicarboxylate, n-pentylmalonic acid diethyl ester, Propanedioic acid, pentyl-, diethyl ester, 2-pentanepropanedioic acid diethyl ester, diethyl pentylmalonate