assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_32988  rdfs:label       amide            xsd:string  
1          0           graph  obo:CHEBI_32988  oio:id           CHEBI:32988      xsd:string  
1          0           graph  obo:CHEBI_32988  rdfs:subClassOf  obo:CHEBI_51143  _IRI        
1          0           graph  obo:CHEBI_32988  rdf:type         owl:Class        _IRI