@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 agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@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:45239
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2017-11-17"^^xsd:date ;
  skos:altLabel "methyl viologen"@en ;
  skos:broader nalt:302060, nalt:125147 ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C8144>, <http://id.cabi.org/cabt/85138>, <http://id.loc.gov/authorities/subjects/sh85097905>, agrovoc:c_31452 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "paraquat"@es, "paraquat"@en ;
  ns0:marc001 "27147" .

nalt:302060
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:45239 ;
  skos:prefLabel "desiccant herbicides"@en, "herbicidas desecantes"@es .

nalt:125147
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:45239 ;
  skos:prefLabel "herbicidas de amonio cuaternario"@es, "quaternary ammonium herbicides"@en .