assertion  retraction  graph  subject         predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_3478  rdfs:label       cefaclor         xsd:string  
1          0           graph  obo:CHEBI_3478  oio:id           CHEBI:3478       xsd:string  
1          0           graph  obo:CHEBI_3478  rdfs:subClassOf  obo:CHEBI_23066  _IRI        
1          0           graph  obo:CHEBI_3478  rdf:type         owl:Class        _IRI