assertion  retraction  graph  subject          predicate        object                datatype    annotation
1          0           graph  obo:CHEBI_36587  rdfs:label       organic oxo compound  xsd:string  
1          0           graph  obo:CHEBI_36587  oio:id           CHEBI:36587           xsd:string  
1          0           graph  obo:CHEBI_36587  rdfs:subClassOf  obo:CHEBI_72695       _IRI        
1          0           graph  obo:CHEBI_36587  rdf:type         owl:Class             _IRI