@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:6453
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2012-11-30"^^xsd:date ;
  skos:broader nalt:6445 ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C24243>, <http://id.cabi.org/cabt/62056> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:27763, nalt:9919, nalt:6446, nalt:16696, nalt:192182, nalt:192181, nalt:47896 ;
  skos:prefLabel "isoquinoline alkaloids"@en, "alcaloides de la isoquinolina"@es ;
  ns0:marc001 "19826" .

nalt:47896
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "sanguinarine"@en, "sanguinarina"@es .

nalt:192181
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "estefanina"@es, "stephanine"@en .

nalt:192182
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "crebanine"@en, "crebanine"@es .

nalt:16696
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "berberina"@es, "berberine"@en .

nalt:6446
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "apomorfina"@es, "apomorphine"@en .

nalt:9919
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "emetina"@es, "emetine"@en .

nalt:6445
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6453 ;
  skos:prefLabel "alcaloides"@es, "alkaloids"@en .

nalt:27763
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6453 ;
  skos:prefLabel "colchicina"@es, "colchicine"@en .