@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:52346
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2016-05-13"^^xsd:date ;
  skos:altLabel "methyl mercury compounds"@en, "methyl mercury cations"@en, "methylmercury cations"@en, "methyl mercury"@en, "methylmercury"@en ;
  skos:broader nalt:52151 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh87000667> ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C17970> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "methylmercury compounds"@en, "compuestos de metilmercurio"@es ;
  skos:related nalt:5844 ;
  ns0:marc001 "23249" .

nalt:52151
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:52346 ;
  skos:prefLabel "compuestos organomercuriales"@es, "organomercury compounds"@en .

nalt:5844
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "contaminantes (polución)"@es, "pollutants"@en ;
  skos:related nalt:52346 .