assertion  retraction  graph  subject          predicate        object             datatype    annotation
1          0           graph  obo:CHEBI_48960  rdfs:label       bis(azo) compound  xsd:string  
1          0           graph  obo:CHEBI_48960  oio:id           CHEBI:48960        xsd:string  
1          0           graph  obo:CHEBI_48960  rdfs:subClassOf  obo:CHEBI_37533    _IRI        
1          0           graph  obo:CHEBI_48960  rdf:type         owl:Class          _IRI