<?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_16796"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_22160"/> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_27162"/> <rdfs:label>melatonin</rdfs:label> <obo_purl:IAO_0000115>A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen atom is replaced by a 2-(5-methoxy-1H-indol-3-yl)ethyl group. It is a hormone secreted by the pineal gland in humans.</obo_purl:IAO_0000115> <obo_purl:IAO_0000412 rdf:resource="http://purl.obolibrary.org/obo/chebi.owl"/> <metadata_def:prefLabel>melatonin</metadata_def:prefLabel> <metadata_def:mappingLoom>melatonin</metadata_def:mappingLoom> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_16796"/> <metadata:prefixIRI>CHEBI:16796</metadata:prefixIRI> </owl:Class> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/FOODON_03600007"> <obo_purl:BFO_0000051> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_16796"> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_16796"/> </rdf:Description> </obo_purl:BFO_0000051> </rdf:Description> </rdf:RDF>