@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:7682
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  ns0:marc001 "4988" ;
  skos:broader nalt:2309 ;
  dc:modified "2012-11-30"^^xsd:date ;
  skos:narrower nalt:17141 ;
  skos:prefLabel "biguanidos"@es, "biguanides"@en ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:related nalt:223 .

nalt:17141
  skos:prefLabel "metformina"@es, "metformin"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:7682 .

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

nalt:2309
  skos:prefLabel "amidas"@es, "amides"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:7682 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .

nalt:223
  skos:prefLabel "tinciones"@es, "dyes"@en ;
  a ns0:Product, ns0:Chemical, skos:Concept ;
  skos:related nalt:7682 .