assertion  retraction  graph  subject           predicate        object                 datatype    annotation
1          0           graph  obo:CHEBI_138412  rdfs:label       N,N'-diphenylthiourea  xsd:string  
1          0           graph  obo:CHEBI_138412  oio:id           CHEBI:138412           xsd:string  
1          0           graph  obo:CHEBI_138412  rdfs:subClassOf  obo:CHEBI_51276        _IRI        
1          0           graph  obo:CHEBI_138412  rdf:type         owl:Class              _IRI