assertion  retraction  graph  subject          predicate        object                   datatype    annotation
1          0           graph  obo:CHEBI_24628  rdfs:label       imidazolidine-2,4-dione  xsd:string  
1          0           graph  obo:CHEBI_24628  oio:id           CHEBI:24628              xsd:string  
1          0           graph  obo:CHEBI_24628  rdfs:subClassOf  obo:CHEBI_55370          _IRI        
1          0           graph  obo:CHEBI_24628  rdf:type         owl:Class                _IRI