assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_22925  rdfs:label       bromide salt     xsd:string  
1          0           graph  obo:CHEBI_22925  oio:id           CHEBI:22925      xsd:string  
1          0           graph  obo:CHEBI_22925  rdfs:subClassOf  obo:CHEBI_33958  _IRI        
1          0           graph  obo:CHEBI_22925  rdfs:subClassOf  obo:CHEBI_22928  _IRI        
1          0           graph  obo:CHEBI_22925  rdf:type         owl:Class        _IRI