assertion  retraction  graph  subject          predicate        object                      datatype    annotation
1          0           graph  obo:CHEBI_59001  rdfs:label       4-vinylcyclohexene dioxide  xsd:string  
1          0           graph  obo:CHEBI_59001  oio:id           CHEBI:59001                 xsd:string  
1          0           graph  obo:CHEBI_59001  rdfs:subClassOf  obo:CHEBI_32955             _IRI        
1          0           graph  obo:CHEBI_59001  rdf:type         owl:Class                   _IRI