assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_37578  rdfs:label       halide           xsd:string  
1          0           graph  obo:CHEBI_37578  oio:id           CHEBI:37578      xsd:string  
1          0           graph  obo:CHEBI_37578  rdfs:subClassOf  obo:CHEBI_37577  _IRI        
1          0           graph  obo:CHEBI_37578  rdfs:subClassOf  obo:CHEBI_24471  _IRI        
1          0           graph  obo:CHEBI_37578  rdf:type         owl:Class        _IRI