assertion  retraction  graph  subject          predicate        object                 datatype    annotation
1          0           graph  obo:CHEBI_48592  rdfs:label       piperidinecarboxamide  xsd:string  
1          0           graph  obo:CHEBI_48592  oio:id           CHEBI:48592            xsd:string  
1          0           graph  obo:CHEBI_48592  rdfs:subClassOf  obo:CHEBI_29347        _IRI        
1          0           graph  obo:CHEBI_48592  rdfs:subClassOf  obo:CHEBI_26151        _IRI        
1          0           graph  obo:CHEBI_48592  rdf:type         owl:Class              _IRI