英文别名Butanoic acid, 3-oxo-, (1S)-2-ethoxy-1-methyl-2-oxoethyl ester; (1S)-2-ethoxy-1-methyl-2-oxoethyl 3-oxobutanoate; (S)-α-(Acetoacetoxy)-propionsaeureethylester; (2S)-1-ethoxy-1-oxopropan-2-yl 3-oxobutanoate; (S)-(1-ethoxycarbonyl-ethyl)-acetoacetate; ethyl (S)-(-)-lactate acetoacetate 
