assertion  retraction  graph  subject         predicate        object            datatype    annotation
1          0           graph  obo:CHEBI_4027  rdfs:label       cyclophosphamide  xsd:string  
1          0           graph  obo:CHEBI_4027  oio:id           CHEBI:4027        xsd:string  
1          0           graph  obo:CHEBI_4027  rdfs:subClassOf  obo:CHEBI_37598   _IRI        
1          0           graph  obo:CHEBI_4027  rdfs:subClassOf  obo:CHEBI_36683   _IRI        
1          0           graph  obo:CHEBI_4027  rdfs:subClassOf  obo:CHEBI_35467   _IRI        
1          0           graph  obo:CHEBI_4027  rdf:type         owl:Class         _IRI