assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_29007  rdfs:label       ceftriaxone      xsd:string  
1          0           graph  obo:CHEBI_29007  oio:id           CHEBI:29007      xsd:string  
1          0           graph  obo:CHEBI_29007  rdfs:subClassOf  obo:CHEBI_39410  _IRI        
1          0           graph  obo:CHEBI_29007  rdfs:subClassOf  obo:CHEBI_38418  _IRI        
1          0           graph  obo:CHEBI_29007  rdfs:subClassOf  obo:CHEBI_36816  _IRI        
1          0           graph  obo:CHEBI_29007  rdfs:subClassOf  obo:CHEBI_23066  _IRI        
1          0           graph  obo:CHEBI_29007  rdf:type         owl:Class        _IRI