assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_22726  rdfs:label       benzophenones    xsd:string  
1          0           graph  obo:CHEBI_22726  oio:id           CHEBI:22726      xsd:string  
1          0           graph  obo:CHEBI_22726  rdfs:subClassOf  obo:CHEBI_76224  _IRI        
1          0           graph  obo:CHEBI_22726  rdf:type         owl:Class        _IRI