assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_23697  rdfs:label       dichlorobenzene  xsd:string  
1          0           graph  obo:CHEBI_23697  oio:id           CHEBI:23697      xsd:string  
1          0           graph  obo:CHEBI_23697  rdfs:subClassOf  obo:CHEBI_23132  _IRI        
1          0           graph  obo:CHEBI_23697  rdf:type         owl:Class        _IRI