L-tryptophan zwitterion
['C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N', 'QIVBCDIJIAJPQS-VIFPVBQESA-N', 'DTXCID801419', '8DUH1N11BX', '51434', '86197', 'N[C@@H](CC1=CNC2=C1C=CC=C2)C(O)=O', '204.09', ' Bombyx mori', '200-795-6', '73-22-3', 'http://commons.wikimedia.org/wiki/Special:FilePath/L-Tryptophan%20-%20L-Tryptophan.svg', ' L-tryptophan import across plasma membrane', 'Tryptophan', ' 757373', 'D-Tryptophan', '1937607', 'L-tryptophan zwitterion', 'VIXQOK02', ' nitrogen', 'tryptophan', 'Armenian Soviet Encyclopedia']