assertion  retraction  graph  subject          predicate        object              datatype    annotation
1          0           graph  obo:CHEBI_15705  rdfs:label       L-alpha-amino acid  xsd:string  
1          0           graph  obo:CHEBI_15705  oio:id           CHEBI:15705         xsd:string  
1          0           graph  obo:CHEBI_15705  rdfs:subClassOf  obo:CHEBI_33704     _IRI        
1          0           graph  obo:CHEBI_15705  rdf:type         owl:Class           _IRI