assertion  retraction  graph  subject          predicate        object              datatype    annotation
1          0           graph  obo:CHEBI_38001  rdfs:label       2,6-diaminopurines  xsd:string  
1          0           graph  obo:CHEBI_38001  oio:id           CHEBI:38001         xsd:string  
1          0           graph  obo:CHEBI_38001  rdfs:subClassOf  obo:CHEBI_22527     _IRI        
1          0           graph  obo:CHEBI_38001  rdf:type         owl:Class           _IRI