assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_55373  rdfs:label       isoxazoles       xsd:string  
1          0           graph  obo:CHEBI_55373  oio:id           CHEBI:55373      xsd:string  
1          0           graph  obo:CHEBI_55373  rdfs:subClassOf  obo:CHEBI_35790  _IRI        
1          0           graph  obo:CHEBI_55373  rdf:type         owl:Class        _IRI