assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_33860  rdfs:label       aromatic amine   xsd:string  
1          0           graph  obo:CHEBI_33860  oio:id           CHEBI:33860      xsd:string  
1          0           graph  obo:CHEBI_33860  rdfs:subClassOf  obo:CHEBI_50047  _IRI        
1          0           graph  obo:CHEBI_33860  rdfs:subClassOf  obo:CHEBI_33659  _IRI        
1          0           graph  obo:CHEBI_33860  rdf:type         owl:Class        _IRI