assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_38785  rdfs:label       morpholines      xsd:string  
1          0           graph  obo:CHEBI_38785  oio:id           CHEBI:38785      xsd:string  
1          0           graph  obo:CHEBI_38785  rdfs:subClassOf  obo:CHEBI_46952  _IRI        
1          0           graph  obo:CHEBI_38785  rdf:type         owl:Class        _IRI