butan-2-yl 3-oxobutanoate;sec-butyl 3-oxobutanoate;3-oxobutanoic acid sec-butyl ester;3-ketobutyric acid sec-butyl ester;13562-76-0;Butanoic acid, 3-oxo-, 1-methylpropyl ester;Acetoacetic acid, sec-butyl ester
butan-2-yl 3-oxobutanoate