2-Aceto-2-hydroxybutyrate 2-Aceto-2-hydroxybutyric acid 3142-65-2 AAAHB Acetoacetic acid, 2-ethyl-2-hydroxy- (6CI,7CI,8CI) Acetohydroxybutyrate Acetohydroxybutyric acid Butanoic acid, 2-ethyl-2-hydroxy-3-oxo Butanoic acid, 2-ethyl-2-hydroxy-3-oxo- (9CI) alpha-Aceto-alpha-hydroxybutyrate alpha-Acetohydroxybutyric acid butanoic acid, 2-ethyl-2-hydroxy-3-oxo-, (2S)-