<?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_25000"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_33308"/> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_38104"/> <rdfs:label>lactone</rdfs:label> <obo_purl:IAO_0000115>Any cyclic carboxylic ester containing a 1-oxacycloalkan-2-one structure, or an analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.</obo_purl:IAO_0000115> <metadata_def:prefLabel>lactone</metadata_def:prefLabel> <metadata_def:mappingLoom>lactone</metadata_def:mappingLoom> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> <metadata:prefixIRI>CHEBI:25000</metadata:prefixIRI> </owl:Class> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_18946"> <rdfs:subClassOf> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_25000"> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> </rdfs:subClassOf> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_37581"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_63944"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/GO_1901334"> <obo_purl:RO_0004007 rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/GO_1901335"> <obo_purl:RO_0004009 rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/GO_1901336"> <obo_purl:RO_0004008 rdf:resource="http://purl.obolibrary.org/obo/CHEBI_25000"/> </rdf:Description> </rdf:RDF>