3,3-Dimethyl-2-oxobutanoic acid 3,3-Dimethyl-2-oxobutyric acid 815-17-8 AI3-11509 Butanoic acid, 3,3-dimethyl-2-oxo- Butyric acid, 3,3-dimethyl-2-oxo- EINECS 212-418-2 Glyoxylic acid, tert-butyl- HSDB 5757 NSC 16648 Pyruvic acid, trimethyl- TRIMETHYLPYRUVIC ACID tert-Butylglyoxylic acid