assertion  retraction  graph  subject          predicate        object                                      datatype    annotation
1          0           graph  obo:CHEBI_79020  rdfs:label       alpha,beta-unsaturated monocarboxylic acid  xsd:string  
1          0           graph  obo:CHEBI_79020  oio:id           CHEBI:79020                                 xsd:string  
1          0           graph  obo:CHEBI_79020  rdfs:subClassOf  obo:CHEBI_25384                             _IRI        
1          0           graph  obo:CHEBI_79020  rdf:type         owl:Class                                   _IRI