assertion  retraction  graph  subject         predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_8776  rdfs:label       ranitidine       xsd:string  
1          0           graph  obo:CHEBI_8776  oio:id           CHEBI:8776       xsd:string  
1          0           graph  obo:CHEBI_8776  rdfs:subClassOf  obo:CHEBI_50996  _IRI        
1          0           graph  obo:CHEBI_8776  rdfs:subClassOf  obo:CHEBI_35716  _IRI        
1          0           graph  obo:CHEBI_8776  rdfs:subClassOf  obo:CHEBI_24129  _IRI        
1          0           graph  obo:CHEBI_8776  rdfs:subClassOf  obo:CHEBI_16385  _IRI        
1          0           graph  obo:CHEBI_8776  rdf:type         owl:Class        _IRI