.alpha.,.alpha.-Dimethylglycine .alpha.-Aminoisobutanoic acid .alpha.-Aminoisobutyrate .alpha.-Aminoisobutyric acid .alpha.-Methylalanine 2-Amino-2-methylpropanoic acid 2-Aminoisobutyric acid 2-Methylalanine 62-57-7 AIB Alanine, 2-methyl- NSC16590 Propionic acid, 2-amino-2-methyl- WLN: ZX1&1&VQ