assertion  retraction  graph  subject          predicate        object              datatype    annotation
1          0           graph  obo:CHEBI_34444  rdfs:label       4-tert-butylphenol  xsd:string  
1          0           graph  obo:CHEBI_34444  oio:id           CHEBI:34444         xsd:string  
1          0           graph  obo:CHEBI_34444  rdfs:subClassOf  obo:CHEBI_33853     _IRI        
1          0           graph  obo:CHEBI_34444  rdf:type         owl:Class           _IRI