assertion  retraction  graph  subject          predicate        object                              datatype    annotation
1          0           graph  obo:CHEBI_38106  rdfs:label       organosulfur heterocyclic compound  xsd:string  
1          0           graph  obo:CHEBI_38106  oio:id           CHEBI:38106                         xsd:string  
1          0           graph  obo:CHEBI_38106  rdfs:subClassOf  obo:CHEBI_33261                     _IRI        
1          0           graph  obo:CHEBI_38106  rdfs:subClassOf  obo:CHEBI_24532                     _IRI        
1          0           graph  obo:CHEBI_38106  rdf:type         owl:Class                           _IRI