Similar names: L-Tryptophan; (-)-Tryptophan; (2S)-2-Amino-3-(1H-indol-3-yl)propanoic acid; (S)-α-Amino-β-indolepropionic acid; (S)-α-Amino-1H-indole-3-propanoic acid; (S)-α-Aminoindole-3-propionic acid; (S)-Tryptophan; 1H-Indole-3-alanine, (S)-; 1H-Indole-3-propanoic acid, α-amino-, (S)-; 2-Amino-3-indolylpropanoic acid; 3-Indol-3-ylalanine; EH 121; L-(-)-Tryptophan; 3-(1H-Indol-3-yl)-L-alanine; L-Tryptophane; Lyphan; NSC 13119; Secretory peptide (human clone HCQCJ56 precursor); Tryptophan; Tryptophane; h-Trp-oh; l-α-Aminoindole-3-propionic acid; l-β-3-Indolylalanine