assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_35605  rdfs:label       carbon oxoacid   xsd:string  
1          0           graph  obo:CHEBI_35605  oio:id           CHEBI:35605      xsd:string  
1          0           graph  obo:CHEBI_35605  rdfs:subClassOf  obo:CHEBI_36963  _IRI        
1          0           graph  obo:CHEBI_35605  rdfs:subClassOf  obo:CHEBI_24833  _IRI        
1          0           graph  obo:CHEBI_35605  rdf:type         owl:Class        _IRI