609-14-3 64854-05-3 AI3-05606 Acetoacetic acid, 2-methyl-, ethyl ester (8CI) Butanoic acid, 2-methyl-3-oxo-, ethyl ester EINECS 210-179-9 Ethyl 2-acetylpropionate Ethyl 2-methyl-3-oxobutanoate Ethyl 2-methyl-3-oxobutyrate Ethyl 2-methylacetoacetate Ethyl alpha-acetylpropionate Ethyl alpha-methylacetylacetate Ethyl methylacetoacetate NSC 1102 alpha-Methylacetoacetic ester