assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_24436  rdfs:label       guanidines       xsd:string  
1          0           graph  obo:CHEBI_24436  oio:id           CHEBI:24436      xsd:string  
1          0           graph  obo:CHEBI_24436  rdfs:subClassOf  obo:CHEBI_35352  _IRI        
1          0           graph  obo:CHEBI_24436  rdf:type         owl:Class        _IRI