2-hydroxyisobutyric acid2-Hydroxy-2-methylpropionic acid2-Hydroxy-2-methylpropionsaeure2-Hydroxyisobutyric acid2-Methyl-2-hydroxypropionsaeure2-Methyllactic acid2-methyl-2-hydroxypropanoic acidAcetonic acidHIBAHydroxydimethylacetic acidacide 2-hydroxy-2-methylpropanoiqueacido 2-hidroxi-2-metilpropionicoalpha-hydroxy-alpha-methylpropanoic acidalpha-hydroxy-alpha-methylpropionic acidalpha-hydroxyisobutanoic acidalpha-hydroxyisobutyric acid