assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_37838  rdfs:label       carboacyl group  xsd:string  
1          0           graph  obo:CHEBI_37838  oio:id           CHEBI:37838      xsd:string  
1          0           graph  obo:CHEBI_37838  rdfs:subClassOf  obo:CHEBI_22221  _IRI        
1          0           graph  obo:CHEBI_37838  rdf:type         owl:Class        _IRI