2049-80-1 AI3-11069 Diethyl 2-(2-propenyl)-1,3-propanedioate Diethyl 2-(prop-2-enyl)malonate Diethyl 2-allylmalonate Diethyl allylmalonate Diethyl prop-2-enylpropanedioate EINECS 218-072-9 Ethyl allylmalonate Malonic acid, allyl-, diethyl ester NSC 67393 NSC 8777 Propanedioic acid, 2-propenyl-, diethyl ester