assertion retraction graph subject predicate object datatype annotation 1 0 graph obo:CHEBI_38260 rdfs:label pyrrolidines xsd:string 1 0 graph obo:CHEBI_38260 oio:id CHEBI:38260 xsd:string 1 0 graph obo:CHEBI_38260 rdfs:subClassOf obo:CHEBI_38101 _IRI 1 0 graph obo:CHEBI_38260 rdfs:subClassOf obo:CHEBI_25693 _IRI 1 0 graph obo:CHEBI_38260 rdf:type owl:Class _IRI