@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:45391
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2019-09-03"^^xsd:date ;
  skos:broader nalt:3047 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85109365> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:333499, nalt:317710, nalt:333497, nalt:323700 ;
  skos:prefLabel "pyrroles"@en, "pirroles"@es ;
  ns0:marc001 "31184" .

nalt:333499
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:45391 ;
  skos:prefLabel "undecilprodigiosina"@es, "undecylprodigiosin"@en .

nalt:317710
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:45391 ;
  skos:prefLabel "atorvastatina"@es, "atorvastatin"@en .

nalt:333497
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:45391 ;
  skos:prefLabel "prodigiosin"@en, "prodigiosina"@es .

nalt:323700
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:45391 ;
  skos:prefLabel "violacein"@en, "violaceína"@es .

nalt:3047
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:45391 ;
  skos:prefLabel "heterocyclic nitrogen compounds"@en, "compuestos heterocíclicos nitrogenados"@es .