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    <!-- http://purl.obolibrary.org/obo/CHEBI_22586 -->

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        <rdfs:label>antioxidant</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_35469 -->

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    <!-- http://purl.obolibrary.org/obo/CHEBI_36094 -->

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        <rdfs:label>organic chloride salt</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_37733 -->

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        <rdfs:label>EC 3.1.1.8 (cholinesterase) inhibitor</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_38068 -->

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        <rdfs:label>antimalarial</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_38623 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_38623">
        <rdfs:label>EC 1.4.3.4 (monoamine oxidase) inhibitor</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_43830 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_43830">
        <rdfs:label>3,7-bis(dimethylamino)phenothiazin-5-ium</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_50407 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_50407">
        <rdfs:label>acid-base indicator</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_51217 -->

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        <rdfs:label>fluorochrome</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_63726 -->

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        <rdfs:label>neuroprotective agent</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_6872 -->

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        <rdfs:label>methylene blue</rdfs:label>
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        <oboInOwl:hasRelatedSynonym>Basic Blue 9</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:11287762</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>PMID:12845393</oboInOwl:hasDbXref>
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        <ns5:inchi>InChI=1S/C16H18N3S.ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;/h5-10H,1-4H3;1H/q+1;/p-1</ns5:inchi>
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        <oboInOwl:hasDbXref>PMID:17826794</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Methylenblau</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>cloruro de metiltioninio</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:25285998</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:17597293</oboInOwl:hasDbXref>
        <oboInOwl:hasOBONamespace>chebi_ontology</oboInOwl:hasOBONamespace>
        <oboInOwl:hasDbXref>PMID:11145393</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Methylene Blue anhydrous</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:11376884</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25707443</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:26463954</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25613051</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Swiss blue</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:19562136</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:17941276</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:18980251</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:17499345</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25687361</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Solvent blue 8</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>azul de metileno</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>Beilstein:3599847</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:26572462</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:16464752</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:19212058</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25791029</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:19193212</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>bleu de methylene</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:17645185</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>CAS:61-73-4</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:12068762</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>chlorure de methylthioninium</oboInOwl:hasRelatedSynonym>
        <oboInOwl:id>CHEBI:6872</oboInOwl:id>
        <oboInOwl:hasDbXref>PMID:19189650</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25679473</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:11427637</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>Wikipedia:Methylene_blue</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:26221301</oboInOwl:hasDbXref>
        <ns5:formula>C16H18N3S.Cl</ns5:formula>
        <oboInOwl:hasRelatedSynonym>methylthioninii chloridum</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:25356528</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:19746714</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>methylthioninium chloride</oboInOwl:hasRelatedSynonym>
        <ns5:monoisotopicmass>319.09100</ns5:monoisotopicmass>
        <oboInOwl:hasDbXref>PMID:18873190</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:26165999</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:16054909</oboInOwl:hasDbXref>
        <ns5:smiles>[Cl-].CN(C)c1ccc2nc3ccc(cc3[s+]c2c1)N(C)C</ns5:smiles>
        <ns5:charge>0</ns5:charge>
        <oboInOwl:hasDbXref>PMID:24788930</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:26192785</oboInOwl:hasDbXref>
        <ns5:inchikey>CXKWCBBOMKCUKX-UHFFFAOYSA-M</ns5:inchikey>
        <oboInOwl:hasDbXref>PMID:25913699</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:16380099</oboInOwl:hasDbXref>
        <ns5:mass>319.85200</ns5:mass>
        <oboInOwl:hasDbXref>PMID:17721552</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:17692516</oboInOwl:hasDbXref>
        <ns4:IAO_0000115>An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties.</ns4:IAO_0000115>
        <oboInOwl:hasRelatedSynonym>C.I. 52015</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>Methylthioninium chloride</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>PMID:15120287</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25499271</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:19277479</oboInOwl:hasDbXref>
        <oboInOwl:hasExactSynonym>Methylene blue</oboInOwl:hasExactSynonym>
        <oboInOwl:hasDbXref>PMID:26310944</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>KEGG:C00220</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25440279</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:25441767</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:11246319</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>PMID:12830064</oboInOwl:hasDbXref>
        <oboInOwl:inSubset rdf:resource="http://purl.obolibrary.org/obo/chebi#3_STAR"/>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_77178 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_77178">
        <rdfs:label>histological dye</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_77307 -->

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        <rdfs:label>cardioprotective agent</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_78678 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_78678">
        <rdfs:label>EC 4.6.1.2 (guanylate cyclase) inhibitor</rdfs:label>
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