@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

nalt:2783
  skos:prefLabel "betaína"@es, "betaine"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:broader nalt:2521 .

nalt:17367
  skos:prefLabel "colina"@es, "choline"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:broader nalt:2521 .

<https://lod.nal.usda.gov/naltv#Chemical>
  rdfs:label "Chemical"@en ;
  a owl:Class .

nalt:7679
  skos:prefLabel "compuestos orgánicos del nitrógeno"@es, "organic nitrogen compounds"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:narrower nalt:2521 .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .

nalt:2521
  skos:hiddenLabel "quaternary ammonium"@en, "quaternary-ammonium-compounds"@en, "diquaternary ammonium"@en ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:prefLabel "quaternary ammonium compounds"@en, "compuestos amónicos cuaternarios"@es ;
  ns0:marc001 "31246" ;
  dc:modified "2020-06-03"^^xsd:date ;
  skos:exactMatch <http://aims.fao.org/aos/agrovoc/c_32046>, <http://id.cabi.org/cabt/98744>, <http://id.agrisemantics.org/gacs/C29952> ;
  skos:narrower nalt:2518, nalt:17367, nalt:2783 ;
  a skos:Concept, ns0:Chemical ;
  skos:broader nalt:7679 .

nalt:2518
  skos:prefLabel "acetilcolina"@es, "acetylcholine"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:2521 .