2-04-00-00965 (Beilstein Handbook Reference) 2-Hydrazino-2-methylpropionic acid 22574-05-6 BRN 1751765 Hydrazinoisobutyric acid Propanoic acid, 2-hydrazino-2-methyl- (9CI) Propionic acid, 2-hydrazino-2-methyl- alpha-Hydrazinoisobuttersaeure [German]