assertion  retraction  graph  subject          predicate        object               datatype    annotation
1          0           graph  obo:CHEBI_48975  rdfs:label       substituted aniline  xsd:string  
1          0           graph  obo:CHEBI_48975  oio:id           CHEBI:48975          xsd:string  
1          0           graph  obo:CHEBI_48975  rdfs:subClassOf  obo:CHEBI_22562      _IRI        
1          0           graph  obo:CHEBI_48975  rdf:type         owl:Class            _IRI