assertion  retraction  graph  subject         predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_6456  rdfs:label       lidocaine        xsd:string  
1          0           graph  obo:CHEBI_6456  oio:id           CHEBI:6456       xsd:string  
1          0           graph  obo:CHEBI_6456  rdfs:subClassOf  obo:CHEBI_50996  _IRI        
1          0           graph  obo:CHEBI_6456  rdfs:subClassOf  obo:CHEBI_29347  _IRI        
1          0           graph  obo:CHEBI_6456  rdfs:subClassOf  obo:CHEBI_22712  _IRI        
1          0           graph  obo:CHEBI_6456  rdf:type         owl:Class        _IRI