assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_32876  rdfs:label       tertiary amine   xsd:string  
1          0           graph  obo:CHEBI_32876  oio:id           CHEBI:32876      xsd:string  
1          0           graph  obo:CHEBI_32876  rdfs:subClassOf  obo:CHEBI_50996  _IRI        
1          0           graph  obo:CHEBI_32876  rdfs:subClassOf  obo:CHEBI_32952  _IRI        
1          0           graph  obo:CHEBI_32876  rdf:type         owl:Class        _IRI