204.09
['C₁₁H₁₂N₂O₂', 'QIVBCDIJIAJPQS-VIFPVBQESA-N', 'http://commons.wikimedia.org/wiki/Special:FilePath/L-Tryptophan%20-%20L-Tryptophan.svg', 'C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N', 'DTXCID801419', ' DL-tryptophan', '8DUH1N11BX', '51434', 'Tryptophan', '86197', ' 757373', '204.09', ' Opuntia ficus-indica', '200-795-6', '73-22-3', ' D12.125.072.050.850', 'medication', 'D-Tryptophan', '100457', 'UGG', 'Armenian Soviet Encyclopedia', 'amino acid that cannot be synthesized de novo by the organism']