@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@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#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

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

nalt:52090
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2013-06-25"^^xsd:date ;
  skos:altLabel "2-methyl-1,4-naphthoquinone"@en, "vitamin K 3"@en, "menaphthone"@en, "2-methylnaphthoquinone"@en, "provitamin K3"@en, "vitamin K3"@en, "vitamin K-3"@en, "2-methyl-1,4-naphthalenedione"@en ;
  skos:broader nalt:1541, nalt:39591, nalt:20420 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "menadione"@en, "menadiona"@es ;
  ns0:marc001 "22978" .

nalt:20420
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:52090 ;
  skos:prefLabel "naftoquinonas"@es, "naphthoquinones"@en .

nalt:39591
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:52090 ;
  skos:prefLabel "vitamina K"@es, "vitamin K"@en .

nalt:1541
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:52090 ;
  skos:prefLabel "provitaminas"@es, "provitamins"@en .