@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:54326
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2019-09-16"^^xsd:date ;
  skos:broader nalt:20597 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:333902, nalt:10498 ;
  skos:prefLabel "naftalenosulfonatos"@es, "naphthalenesulfonates"@en ;
  ns0:marc001 "24804" .

nalt:20597
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:54326 ;
  skos:prefLabel "sulfonates"@en, "sulfonatos"@es .

nalt:333902
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:54326 ;
  skos:prefLabel "azorrubina"@es, "azorubine"@en .

nalt:10498
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:54326 ;
  skos:prefLabel "suramina"@es, "suramin"@en .