assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_50858  rdfs:label       corticosteroid   xsd:string  
1          0           graph  obo:CHEBI_50858  oio:id           CHEBI:50858      xsd:string  
1          0           graph  obo:CHEBI_50858  rdfs:subClassOf  obo:CHEBI_35341  _IRI        
1          0           graph  obo:CHEBI_50858  rdf:type         owl:Class        _IRI