assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_30746  rdfs:label       benzoic acid     xsd:string  
1          0           graph  obo:CHEBI_30746  oio:id           CHEBI:30746      xsd:string  
1          0           graph  obo:CHEBI_30746  rdfs:subClassOf  obo:CHEBI_22723  _IRI        
1          0           graph  obo:CHEBI_30746  rdf:type         owl:Class        _IRI