@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:54802
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2014-08-20"^^xsd:date ;
  skos:altLabel "phenyl urea compounds"@en ;
  skos:broader nalt:7699 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:8955, nalt:213710 ;
  skos:prefLabel "phenylurea compounds"@en, "compuestos de fenilurea"@es ;
  ns0:marc001 "28121" .

nalt:8955
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:54802 ;
  skos:prefLabel "nicarbazin"@en, "nicarbazina"@es .

nalt:213710
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:54802 ;
  skos:prefLabel "forchlorfenuron"@en, "forclorfenurón"@es .

nalt:7699
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:54802 ;
  skos:prefLabel "urea"@es, "urea"@en .