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  "description" : [ "Zwitterionic form of L-kynurenine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3." ],
  "synonyms" : [ "(2S)-4-(2-aminophenyl)-2-azaniumyl-4-oxobutanoate", "(2S)-4-(2-aminophenyl)-2-ammonio-4-oxobutanoate", "L-kynurenine" ],
  "annotation" : {
    "charge" : [ "0" ],
    "formula" : [ "C10H12N2O3" ],
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    "inchi" : [ "InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1" ],
    "inchikey" : [ "YGPSJZOEDVAXAB-QMMMGPOBSA-N" ],
    "mass" : [ "208.21390" ],
    "monoisotopicmass" : [ "208.08479" ],
    "smiles" : [ "Nc1ccccc1C(=O)C[C@H]([NH3+])C([O-])=O" ]
  },
  "label" : "L-kynurenine zwitterion",
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