assertion  retraction  graph  subject         predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_6759  rdfs:label       mepivacaine      xsd:string  
1          0           graph  obo:CHEBI_6759  oio:id           CHEBI:6759       xsd:string  
1          0           graph  obo:CHEBI_6759  rdfs:subClassOf  obo:CHEBI_48592  _IRI        
1          0           graph  obo:CHEBI_6759  rdf:type         owl:Class        _IRI