assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_47622  rdfs:label       acetate ester    xsd:string  
1          0           graph  obo:CHEBI_47622  oio:id           CHEBI:47622      xsd:string  
1          0           graph  obo:CHEBI_47622  rdfs:subClassOf  obo:CHEBI_33308  _IRI        
1          0           graph  obo:CHEBI_47622  rdf:type         owl:Class        _IRI