@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:37835
  skos:prefLabel "ergosterol"@es, "ergosterol"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:related nalt:1421 .

nalt:1420
  skos:prefLabel "vitamina D"@es, "vitamin D"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:narrower nalt:1421 .

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

nalt:1417
  skos:prefLabel "25-hidroxiergocalciferol"@es, "25-hydroxyergocalciferol"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:related nalt:1421 .

nalt:1421
  dc:created "2006-01-19"^^xsd:date ;
  ns0:marc001 "13980" ;
  skos:broader nalt:1420 ;
  a skos:Concept, ns0:Chemical ;
  skos:related nalt:37835, nalt:1417 ;
  skos:altLabel "vitamin D2"@en, "vitamin D 2"@en, "calciferols"@en ;
  dc:modified "2013-09-06"^^xsd:date ;
  skos:prefLabel "ergocalciferol"@es, "ergocalciferol"@en ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85044598> ;
  skos:hiddenLabel "calciferol"@en ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> .

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