assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_38304  rdfs:label       diazolidine      xsd:string  
1          0           graph  obo:CHEBI_38304  oio:id           CHEBI:38304      xsd:string  
1          0           graph  obo:CHEBI_38304  rdfs:subClassOf  obo:CHEBI_38101  _IRI        
1          0           graph  obo:CHEBI_38304  rdfs:subClassOf  obo:CHEBI_25693  _IRI        
1          0           graph  obo:CHEBI_38304  rdf:type         owl:Class        _IRI