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    <!-- http://purl.obolibrary.org/obo/CHEBI_17154 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_17154">
        <rdfs:label>nicotinamide</rdfs:label>
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_176839"/>
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        <ns4:monoisotopic_mass rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">122.04801</ns4:monoisotopic_mass>
        <ns4:mass rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">122.127</ns4:mass>
        <oboInOwl:hasDbXref>pubmed:11355130</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:25521</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:14871431</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:18234191</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22456321</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Nicotinamid</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasExactSynonym>pyridine-3-carboxamide</oboInOwl:hasExactSynonym>
        <oboInOwl:hasDbXref>pubmed:16596767</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:14757966</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Nicotinsaeureamid</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>patent:US2904552</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16766489</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22160932</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:18987186</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:14645</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:22543086</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotinic acid amide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>foodb.food:FDB012485</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15995937</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:14729974</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:31710686</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22770225</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>niacin</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:18389009</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotine amide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:15780941</oboInOwl:hasDbXref>
        <ns4:smiles_string>NC(=O)c1cccnc1</ns4:smiles_string>
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        <oboInOwl:hasOBONamespace>chebi_ontology</oboInOwl:hasOBONamespace>
        <oboInOwl:hasDbXref>pubmed:22207684</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:7556</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:33196157</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:23016598</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22699421</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>kegg.drug:D00036</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:23043891</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotine acid amide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>drugbank:DB02701</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>vitamin B3</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>pyridine-3-carboxamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:21503886</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pdb-ccd:NCA</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15834926</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>gmelin:3336</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Nikotinamid</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>nicotinamidum</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>Nikotinsaeureamid</oboInOwl:hasRelatedSynonym>
        <ns4:inchi_string>InChI=1S/C6H6N2O/c7-6(9)5-2-1-3-8-4-5/h1-4H,(H2,7,9)</ns4:inchi_string>
        <oboInOwl:hasDbXref>pubmed:23047329</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:21891976</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:18373238</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16029679</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16871361</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:24077178</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22709272</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>pubmed:32249824</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>kegg.compound:C00153</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>pubmed:22067079</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>pyridine-3-carboxylic acid amide</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasDbXref>patent:US2993051</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:25504347</oboInOwl:hasDbXref>
        <ns4:inchi_key_string>DFPAKSUCGFBDDF-UHFFFAOYSA-N</ns4:inchi_key_string>
        <oboInOwl:hasDbXref>cas:98-92-0</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>pubmed:18316796</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16209160</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22763693</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22359146</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>knapsack:C00000209</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:8767167</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Vitamin PP</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>wikipedia.en:Nicotinamide</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:18368629</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:10884473</oboInOwl:hasDbXref>
        <oboInOwl:id>CHEBI:17154</oboInOwl:id>
        <oboInOwl:hasDbXref>pubmed:17129213</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:24635573</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15807725</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:25561219</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:12014919</oboInOwl:hasDbXref>
        <ns4:generalized_empirical_formula>C6H6N2O</ns4:generalized_empirical_formula>
        <oboInOwl:hasDbXref>pubmed:12890690</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:9518388</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:12709297</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:23028781</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>drugcentral:1906</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotylamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>m-(aminocarbonyl)pyridine</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>metacyc.compound:NIACINAMIDE</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22536229</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:18514428</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:2026685</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotinamida</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>beta-pyridinecarboxamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:19544437</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>3-pyridinecarboxamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:22626821</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>hmdb:HMDB0001406</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22407380</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:12782109</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>lincs.smallmolecule:LSM-5428</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>reaxys:383619</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>niamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>nicotinamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:22281243</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:8620561</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:12487919</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:44258</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:22361740</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11814060</oboInOwl:hasDbXref>
        <ns3:IAO_0000115>A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group.</ns3:IAO_0000115>
        <oboInOwl:hasDbXref>pubmed:18930755</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:24559077</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:21926578</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:19212411</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:12519385</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:33471934</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>nicotinic amide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>Niacinamide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>3-carbamoylpyridine</oboInOwl:hasRelatedSynonym>
        <oboInOwl:inSubset rdf:resource="http://purl.obolibrary.org/obo/chebi/3_STAR"/>
    </Class>
    


    <!-- http://purl.obolibrary.org/obo/CHEBI_176839 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_176839">
        <rdfs:label>vitamin B3</rdfs:label>
    </Class>
    


    <!-- http://purl.obolibrary.org/obo/CHEBI_24532 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_24532">
        <rdfs:label>organic heterocyclic compound</rdfs:label>
    </Class>
    


    <!-- http://purl.obolibrary.org/obo/CHEBI_33575 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_33575">
        <rdfs:label>carboxylic acid</rdfs:label>
    </Class>
    


    <!-- http://purl.obolibrary.org/obo/CHEBI_37622 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_37622">
        <rdfs:label>carboxamide</rdfs:label>
    </Class>
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<!-- Generated by the OWL API (version 3.2.4.1806) http://owlapi.sourceforge.net -->



