assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_35358  rdfs:label       sulfonamide      xsd:string  
1          0           graph  obo:CHEBI_35358  oio:id           CHEBI:35358      xsd:string  
1          0           graph  obo:CHEBI_35358  rdfs:subClassOf  obo:CHEBI_33552  _IRI        
1          0           graph  obo:CHEBI_35358  rdfs:subClassOf  obo:CHEBI_33261  _IRI        
1          0           graph  obo:CHEBI_35358  rdfs:subClassOf  obo:CHEBI_33256  _IRI        
1          0           graph  obo:CHEBI_35358  rdf:type         owl:Class        _IRI