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

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

nalt:48333
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2012-11-30"^^xsd:date ;
  ns0:marc001 "21289" ;
  skos:hiddenLabel "levulinic-acid"@en ;
  skos:broader nalt:2369 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "levulinic acid"@en, "ácido levulínico"@es .

nalt:2369
  skos:prefLabel "cetoácidos"@es, "keto acids"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:48333 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .