assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_26096  rdfs:label       phthalyl group   xsd:string  
1          0           graph  obo:CHEBI_26096  oio:id           CHEBI:26096      xsd:string  
1          0           graph  obo:CHEBI_26096  rdfs:subClassOf  obo:CHEBI_27207  _IRI        
1          0           graph  obo:CHEBI_26096  rdf:type         owl:Class        _IRI