@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:25454
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2020-02-10"^^xsd:date ;
  skos:broader nalt:3047 ;
  skos:exactMatch <http://id.cabi.org/cabt/93658>, <http://id.agrisemantics.org/gacs/C24109>, <http://id.loc.gov/authorities/subjects/sh85105022>, agrovoc:c_6121 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:336044, nalt:31424, nalt:207426, nalt:59317, nalt:59318, nalt:59316, nalt:25459 ;
  skos:prefLabel "porphyrins"@en, "porfirinas"@es ;
  skos:related nalt:47278, nalt:17171 ;
  ns0:marc001 "29759" .

nalt:25459
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "clorofilidas"@es, "chlorophyllides"@en .

nalt:59316
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "protochlorophyll"@en, "protoclorofila"@es .

nalt:59318
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "protoporphyrin"@en, "protoporfirina"@es .

nalt:59317
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "protochlorophyllides"@en, "protoclorofilidas"@es .

nalt:207426
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "clorinas"@es, "chlorins"@en .

nalt:31424
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "citocromas"@es, "cytochromes"@en .

nalt:336044
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:25454 ;
  skos:prefLabel "metaloporfirinas"@es, "metalloporphyrins"@en .

nalt:47278
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "porfiria"@es, "porphyria"@en ;
  skos:related nalt:25454 .

nalt:3047
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:25454 ;
  skos:prefLabel "heterocyclic nitrogen compounds"@en, "compuestos heterocíclicos nitrogenados"@es .

nalt:17171
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "pigmentos"@es, "pigments"@en ;
  skos:related nalt:25454 .