.alpha.-Bromo-.alpha.-methylpropionic acid .alpha.-Bromoisobutyric acid 2-BROMO-2-METHYLPROPIONIC ACID 2-Bromo-2-methylpropanoic acid 2-Bromoisobutyric acid 2052-01-9 Isobromobutyric acid NSC41213 Propanoic acid, 2-bromo-2-methyl- Propionic acid, 2-bromo-2-methyl-