assertion  retraction  graph  subject          predicate        object            datatype    annotation
1          0           graph  obo:CHEBI_35716  rdfs:label       C-nitro compound  xsd:string  
1          0           graph  obo:CHEBI_35716  oio:id           CHEBI:35716       xsd:string  
1          0           graph  obo:CHEBI_35716  rdfs:subClassOf  obo:CHEBI_72695   _IRI        
1          0           graph  obo:CHEBI_35716  rdfs:subClassOf  obo:CHEBI_35715   _IRI        
1          0           graph  obo:CHEBI_35716  rdf:type         owl:Class         _IRI