assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_38261  rdfs:label       imidazolidines   xsd:string  
1          0           graph  obo:CHEBI_38261  oio:id           CHEBI:38261      xsd:string  
1          0           graph  obo:CHEBI_38261  rdfs:subClassOf  obo:CHEBI_38304  _IRI        
1          0           graph  obo:CHEBI_38261  rdf:type         owl:Class        _IRI