@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:56126
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-06-08"^^xsd:date ;
  skos:altLabel "organophosphonates"@en, "phosphonic acid esters"@en ;
  skos:broader nalt:31069 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85101109> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:317788, nalt:235901, nalt:9937 ;
  skos:prefLabel "phosphonates"@en, "fosfonatos"@es ;
  skos:related nalt:200095 ;
  ns0:marc001 "28301" .

nalt:317788
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:56126 ;
  skos:prefLabel "difosfonatos"@es, "diphosphonates"@en .

nalt:235901
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:56126 ;
  skos:prefLabel "fosfomicina"@es, "fosfomycin"@en .

nalt:200095
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "ácido fosforoso"@es, "phosphorous acid"@en ;
  skos:related nalt:56126 .

nalt:9937
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:56126 ;
  skos:prefLabel "triclorofón"@es, "trichlorfon"@en .

nalt:31069
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:56126 ;
  skos:prefLabel "compuestos organofosforados"@es, "organophosphorus compounds"@en .