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    <!-- http://purl.obolibrary.org/obo/CHEBI_16675 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_16675">
        <rdfs:label>quinolinic acid</rdfs:label>
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_24532"/>
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        <ns4:charge rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">0</ns4:charge>
        <ns4:monoisotopic_mass rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">167.02186</ns4:monoisotopic_mass>
        <ns4:mass rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">167.12</ns4:mass>
        <ns4:inchi_string>InChI=1S/C7H5NO4/c9-6(10)4-2-1-3-8-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12)</ns4:inchi_string>
        <ns4:generalized_empirical_formula>C7H5NO4</ns4:generalized_empirical_formula>
        <oboInOwl:hasRelatedSynonym>pyridine-2,3-dicarboxylic acid</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasExactSynonym>pyridine-2,3-dicarboxylic acid</oboInOwl:hasExactSynonym>
        <oboInOwl:hasOBONamespace>chebi_ontology</oboInOwl:hasOBONamespace>
        <oboInOwl:hasRelatedSynonym>QUINOLINIC ACID</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasDbXref>cas:89-00-9</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pdb-ccd:NTM</oboInOwl:hasDbXref>
        <ns3:IAO_0000115>A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan.</ns3:IAO_0000115>
        <oboInOwl:hasRelatedSynonym>Pyridine-2,3-dicarboxylate</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>reaxys:137110</oboInOwl:hasDbXref>
        <oboInOwl:id>CHEBI:16675</oboInOwl:id>
        <oboInOwl:hasAlternativeId>CHEBI:8663</oboInOwl:hasAlternativeId>
        <oboInOwl:hasAlternativeId>CHEBI:44529</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:11226705</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:26418</oboInOwl:hasAlternativeId>
        <oboInOwl:hasRelatedSynonym>Quinolinic acid</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:8724297</oboInOwl:hasDbXref>
        <ns4:inchi_key_string>GJAWHXHKYYXBSV-UHFFFAOYSA-N</ns4:inchi_key_string>
        <oboInOwl:hasDbXref>gmelin:201344</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>drugbank:DB01796</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>hmdb:HMDB0000232</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16008534</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11462760</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>knapsack:C00007381</oboInOwl:hasDbXref>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_24532 -->

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        <rdfs:label>organic heterocyclic compound</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_33575 -->

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        <rdfs:label>carboxylic acid</rdfs:label>
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