assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_50695  rdfs:label       monobactam       xsd:string  
1          0           graph  obo:CHEBI_50695  oio:id           CHEBI:50695      xsd:string  
1          0           graph  obo:CHEBI_50695  rdfs:subClassOf  obo:CHEBI_27933  _IRI        
1          0           graph  obo:CHEBI_50695  rdf:type         owl:Class        _IRI