Similar names: Histidine; (S)-2-Amino-3-(imidazol-4-yl)propanoic acid; L-Histidine (ACI); Histidine, L- (8CI); (2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid; (2S)-2-Azaniumyl-3-(1H-imidazol-5-yl)propanoate; (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid; (S)-4-(2-Amino-2-carboxyethyl)imidazole; (S)-Histidine; (S)-α-Amino-1H-imidazole-4-propanoic acid; 1H-Imidazole-4-alanine, (S)-; 1H-Imidazole-4-propanoic acid, α-amino-, (S)-; L-(-)-Histidine; L-Alanine, 3-(1H-imidazol-4-yl)-; Glyoxaline-5-alanine; NSC 137773