@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:6458
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2012-11-30"^^xsd:date ;
  skos:broader nalt:1477, nalt:6445 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:55224, nalt:60638, nalt:54822, nalt:8290, nalt:53025 ;
  skos:prefLabel "alcaloides de la piridina"@es, "pyridine alkaloids"@en ;
  ns0:marc001 "31150" .

nalt:55224
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6458 ;
  skos:prefLabel "nornicotina"@es, "nornicotine"@en .

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

nalt:60638
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6458 ;
  skos:prefLabel "trigonelina"@es, "trigonelline"@en .

nalt:54822
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6458 ;
  skos:prefLabel "nicotina"@es, "nicotine"@en .

nalt:8290
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6458 ;
  skos:prefLabel "anabasina"@es, "anabasine"@en .

nalt:53025
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6458 ;
  skos:prefLabel "mimosina"@es, "mimosine"@en .

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