<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:metadata_def="http://data.bioontology.org/metadata/def/" xmlns:metadata="http://data.bioontology.org/metadata/"> <owl:Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_26401"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_35875"/> <rdfs:label>purines</rdfs:label> <obo_purl:IAO_0000115>A class of imidazopyrimidines that consists of purine and its substituted derivatives.</obo_purl:IAO_0000115> <obo_purl:IAO_0000412 rdf:resource="http://purl.obolibrary.org/obo/chebi.owl"/> <metadata_def:prefLabel>purines</metadata_def:prefLabel> <metadata_def:mappingLoom>purines</metadata_def:mappingLoom> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_26401"/> <metadata:prefixIRI>CHEBI:26401</metadata:prefixIRI> </owl:Class> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_26385"> <rdfs:subClassOf> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_26401"> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_26401"/> </rdf:Description> </rdfs:subClassOf> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_26395"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_26401"/> </rdf:Description> </rdf:RDF>