英文别名(2S)-2-amino-3-[2-(1H-indol-3-ylmethyl)-1H-indol-3-yl]propanoic acid; L-Tryptophan, 2-(1H-indol-3-ylmethyl)-; (S)-3-(2-((1H-Indol-3-yl)methyl)-1H-indol-3-yl)-2-aminopropanoic acid; Tryptophan Impurity K; Tryptophan impurity K [EP]; Tryptophan EP Impurity K; 2-(1H-Indol-3-ylmethyl)-L-tryptophan 
