assertion  retraction  graph  subject         predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_6128  rdfs:label       ketoprofen       xsd:string  
1          0           graph  obo:CHEBI_6128  oio:id           CHEBI:6128       xsd:string  
1          0           graph  obo:CHEBI_6128  rdfs:subClassOf  obo:CHEBI_35871  _IRI        
1          0           graph  obo:CHEBI_6128  rdfs:subClassOf  obo:CHEBI_22726  _IRI        
1          0           graph  obo:CHEBI_6128  rdf:type         owl:Class        _IRI