assertion retraction graph subject predicate object datatype annotation 1 0 graph obo:CHEBI_46952 rdfs:label oxazinane xsd:string 1 0 graph obo:CHEBI_46952 oio:id CHEBI:46952 xsd:string 1 0 graph obo:CHEBI_46952 rdfs:subClassOf obo:CHEBI_38104 _IRI 1 0 graph obo:CHEBI_46952 rdfs:subClassOf obo:CHEBI_38101 _IRI 1 0 graph obo:CHEBI_46952 rdfs:subClassOf obo:CHEBI_25693 _IRI 1 0 graph obo:CHEBI_46952 rdf:type owl:Class _IRI