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    <!-- http://purl.obolibrary.org/obo/CHEBI_22315 -->

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        <rdfs:label>alkaloid</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_28177 -->

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        <rdfs:label>theophylline</rdfs:label>
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_22315"/>
        <ns4:charge rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">0</ns4:charge>
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        <oboInOwl:hasDbXref>metacyc.compound:CPD-12479</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>hmdb:HMDB0001889</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22771369</oboInOwl:hasDbXref>
        <ns3:IAO_0000115>A dimethylxanthine having the two methyl groups located at positions 1 and 3. It is structurally similar to caffeine and is found in green and black tea.</ns3:IAO_0000115>
        <oboInOwl:id>CHEBI:28177</oboInOwl:id>
        <oboInOwl:hasDbXref>pubmed:18307508</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:19727789</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:16651698</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>theophylline</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>drugcentral:2620</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11126990</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22541679</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11261527</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>1,3-dimethyl-7H-purine-2,6-dione</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:21796703</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Theophyllin</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>drugbank:DB00277</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:19845735</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:22702215</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:19559058</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15202575</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15356646</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>THEOPHYLLINE</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:22541837</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Theophylline</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>pubmed:22836872</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15483348</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>theophylline anhydrous</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasDbXref>cas:58-55-9</oboInOwl:hasDbXref>
        <oboInOwl:hasAlternativeId>CHEBI:26940</oboInOwl:hasAlternativeId>
        <oboInOwl:hasDbXref>pubmed:8960878</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>wikipedia.en:Theophylline</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:17207928</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>kegg.drug:D00371</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:7767539</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11408152</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11200776</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15902964</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:7302609</oboInOwl:hasDbXref>
        <ns4:inchi_string>InChI=1S/C7H8N4O2/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13/h3H,1-2H3,(H,8,9)</ns4:inchi_string>
        <oboInOwl:hasAlternativeId>CHEBI:45950</oboInOwl:hasAlternativeId>
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        <oboInOwl:hasRelatedSynonym>Theolair</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasDbXref>pubmed:15042504</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11941393</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasDbXref>pubmed:12531775</oboInOwl:hasDbXref>
        <oboInOwl:hasRelatedSynonym>Elixophyllin</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasRelatedSynonym>Uniphyl</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasAlternativeId>CHEBI:9523</oboInOwl:hasAlternativeId>
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        <oboInOwl:hasDbXref>pubmed:10921764</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:19888960</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:15829161</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>gmelin:51226</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:10796631</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>pubmed:11170036</oboInOwl:hasDbXref>
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        <oboInOwl:hasRelatedSynonym>1,3-Dimethylxanthine</oboInOwl:hasRelatedSynonym>
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