2-(4-aminobutanoylamino)-3-(3H-imidazol-4-yl)propanoic acid 2-[(4-amino-1-oxobutyl)amino]-3-(3H-imidazol-4-yl)propanoic acid 2-(4-aminobutanoylamino)-3-(3H-imidazol-4-yl)propionic acid 3650-73-5 C00884 Homocarnosine L-Homocarnosine N-(4-Amino-1-oxobutyryl)histidine gamma-Aminobutyryl histidine .gamma.-Aminobutyryl-L-histidine .gamma.-Aminobutyrylhistidine Histidine, N-(4-aminobutyryl)-, L- L-Histidine, N-(4-amino-1-oxobutyl)- NSC92522 Histidine, N-(4-aminobutyryl)-, L- (8CI) L-Histidine, N-(4-amino-1-oxobutyl)- (9CI) N-(4-Aminobutyryl)-L-histidine NSC 92522 gamma-Aminobutyryl-L-histidine gamma-Aminobutyrylhistidine