assertion retraction graph subject predicate object datatype annotation 1 0 graph obo:CHEBI_2676 rdfs:label amoxicillin xsd:string 1 0 graph obo:CHEBI_2676 oio:id CHEBI:2676 xsd:string 1 0 graph obo:CHEBI_2676 rdfs:subClassOf obo:CHEBI_88187 _IRI 1 0 graph obo:CHEBI_2676 rdf:type owl:Class _IRI