assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_68452  rdfs:label       azole            xsd:string  
1          0           graph  obo:CHEBI_68452  oio:id           CHEBI:68452      xsd:string  
1          0           graph  obo:CHEBI_68452  rdfs:subClassOf  obo:CHEBI_38179  _IRI        
1          0           graph  obo:CHEBI_68452  rdfs:subClassOf  obo:CHEBI_38101  _IRI        
1          0           graph  obo:CHEBI_68452  rdf:type         owl:Class        _IRI