英文别名Ethyl 2-Carboxypropionate; Propanedioic acid, 2-Methyl-, 1-ethyl ester; 2-Methyl-malonic acid monoethyl ester; (2S)-3-ethoxy-2-methyl-3-oxopropanoic acid; monoethyl 2-Methyl-malonate; ethyl hydrogen methylmalonate; monoethyl methylmalonate; monoethyl 2-methylmalonate; 2-methylmalonic acid monoethyl ester; methylmalonic acid monoethyl ester