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    <!-- http://purl.obolibrary.org/obo/CHEBI_35221 -->

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        <ns4:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A member of the class of ureas that is urea in which one of the hydrogens is replaced by a hydroxy group. An antineoplastic used in the treatment of chronic myeloid leukaemia as well as for sickle-cell disease.</ns4:IAO_0000115>
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        <oboInOwl:hasRelatedSynonym rdf:datatype="http://www.w3.org/2001/XMLSchema#string">carbamohydroxamic acid</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasRelatedSynonym rdf:datatype="http://www.w3.org/2001/XMLSchema#string">carbamoyl oxime</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym rdf:datatype="http://www.w3.org/2001/XMLSchema#string">carbamyl hydroxamate</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasRelatedSynonym rdf:datatype="http://www.w3.org/2001/XMLSchema#string">hidroxicarbamida</oboInOwl:hasRelatedSynonym>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_47857 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_47857">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">ureas</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_48578 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_48578">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">radical scavenger</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_50846 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_50846">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">immunomodulator</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_50902 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_50902">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">genotoxin</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_50905 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_50905">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">teratogenic agent</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_59517 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_59517">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">DNA synthesis inhibitor</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_64708 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_64708">
        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">one-carbon compound</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_64911 -->

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        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">antimitotic</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_74213 -->

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        <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor</rdfs:label>
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