assertion  retraction  graph  subject          predicate        object            datatype    annotation
1          0           graph  obo:CHEBI_23367  rdfs:label       molecular entity  xsd:string  
1          0           graph  obo:CHEBI_23367  oio:id           CHEBI:23367       xsd:string  
1          0           graph  obo:CHEBI_23367  rdfs:subClassOf  obo:CHEBI_24431   _IRI        
1          0           graph  obo:CHEBI_23367  rdf:type         owl:Class         _IRI