assertion  retraction  graph  subject          predicate        object                     datatype    annotation
1          0           graph  obo:CHEBI_23117  rdfs:label       chlorine molecular entity  xsd:string  
1          0           graph  obo:CHEBI_23117  oio:id           CHEBI:23117                xsd:string  
1          0           graph  obo:CHEBI_23117  rdfs:subClassOf  obo:CHEBI_24471            _IRI        
1          0           graph  obo:CHEBI_23117  rdf:type         owl:Class                  _IRI