@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:3817
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2019-07-25"^^xsd:date ;
  skos:broader nalt:270 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85060525>, <http://id.agrisemantics.org/gacs/C20485>, agrovoc:c_3579 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:45385, nalt:213359, nalt:260652, nalt:203499, nalt:312866, nalt:45388, nalt:45387, nalt:188549, nalt:331390, nalt:136323, nalt:3814, nalt:33791, nalt:198885, nalt:3047, nalt:10432, nalt:9926, nalt:33790, nalt:10208 ;
  skos:prefLabel "heterocyclic compounds"@en, "compuestos heterocíclicos"@es ;
  ns0:marc001 "18161" .

nalt:45385
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "oxazoles"@en, "oxazoles"@es .

nalt:213359
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "fenantridinas"@es, "phenanthridines"@en .

nalt:260652
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "morfolinas"@es, "morpholines"@en .

nalt:203499
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "benzoxacinoides"@es, "benzoxazinoids"@en .

nalt:312866
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "xantenos"@es, "xanthenes"@en .

nalt:45388
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "tiofenos"@es, "thiophenes"@en .

nalt:45387
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "thiazines"@en, "tiazinas"@es .

nalt:188549
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "benzofurans"@en, "benzofuranos"@es .

nalt:331390
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "azepinas"@es, "azepines"@en .

nalt:136323
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "acido úsnico"@es, "usnic acid"@en .

nalt:3814
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "actinomicina D"@es, "actinomycin D"@en .

nalt:10208
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "rifamicinas"@es, "rifamycins"@en .

nalt:33790
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "heterocyclic oxygen compounds"@en, "compuestos heterocíclicos oxigenados"@es .

nalt:9926
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "mitomicin"@es, "mitomycin"@en .

nalt:10432
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "nalidixic acid"@en, "ácido nalidíxico"@es .

nalt:3047
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "heterocyclic nitrogen compounds"@en, "compuestos heterocíclicos nitrogenados"@es .

nalt:198885
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "dioxanos"@es, "dioxanes"@en .

nalt:270
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:3817 ;
  skos:prefLabel "compuestos orgánicos"@es, "organic compounds"@en .

nalt:33791
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:3817 ;
  skos:prefLabel "dioxinas"@es, "dioxins"@en .