assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_35618  rdfs:label       aromatic ether   xsd:string  
1          0           graph  obo:CHEBI_35618  oio:id           CHEBI:35618      xsd:string  
1          0           graph  obo:CHEBI_35618  rdfs:subClassOf  obo:CHEBI_33659  _IRI        
1          0           graph  obo:CHEBI_35618  rdfs:subClassOf  obo:CHEBI_25698  _IRI        
1          0           graph  obo:CHEBI_35618  rdf:type         owl:Class        _IRI