@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#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:54822
  skos:prefLabel "nicotina"@es, "nicotine"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:broader nalt:6458 .

nalt:6458
  dc:created "2006-01-19"^^xsd:date ;
  skos:broader nalt:6445, nalt:1477 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  dc:modified "2012-11-30"^^xsd:date ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  ns0:marc001 "31150" ;
  skos:prefLabel "alcaloides de la piridina"@es, "pyridine alkaloids"@en ;
  skos:narrower nalt:54822 ;
  skos:hiddenLabel "pyridine-alkaloids"@en .

ns0:Chemical
  rdfs:label "Chemical"@en ;
  a owl:Class .

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

nalt:6445
  skos:prefLabel "alcaloides"@es, "alkaloids"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6458 .

nalt:1477
  skos:prefLabel "piridinas"@es, "pyridines"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6458 .