assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_35259  rdfs:label       benzofurans      xsd:string  
1          0           graph  obo:CHEBI_35259  oio:id           CHEBI:35259      xsd:string  
1          0           graph  obo:CHEBI_35259  rdfs:subClassOf  obo:CHEBI_38166  _IRI        
1          0           graph  obo:CHEBI_35259  rdfs:subClassOf  obo:CHEBI_38104  _IRI        
1          0           graph  obo:CHEBI_35259  rdf:type         owl:Class        _IRI