assertion  retraction  graph  subject          predicate        object                   datatype    annotation
1          0           graph  obo:CHEBI_33832  rdfs:label       organic cyclic compound  xsd:string  
1          0           graph  obo:CHEBI_33832  oio:id           CHEBI:33832              xsd:string  
1          0           graph  obo:CHEBI_33832  rdfs:subClassOf  obo:CHEBI_72695          _IRI        
1          0           graph  obo:CHEBI_33832  rdfs:subClassOf  obo:CHEBI_33595          _IRI        
1          0           graph  obo:CHEBI_33832  rdf:type         owl:Class                _IRI