@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:4115
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-02-21"^^xsd:date ;
  skos:altLabel "purine bases"@en ;
  skos:broader nalt:313832 ;
  skos:exactMatch agrovoc:c_6379, <http://id.cabi.org/cabt/98195>, <http://id.loc.gov/authorities/subjects/sh85109190>, <http://id.agrisemantics.org/gacs/C17011> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:60583, nalt:4104, nalt:44058 ;
  skos:prefLabel "purines"@en, "purinas"@es ;
  skos:related nalt:264000, nalt:6513 ;
  ns0:marc001 "31077" .

nalt:264000
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "purinergic receptors"@en, "receptores purinérgicos"@es ;
  skos:related nalt:4115 .

nalt:44058
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:4115 ;
  skos:prefLabel "hipoxantinas"@es, "hypoxanthines"@en .

nalt:4104
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:4115 ;
  skos:prefLabel "adenines"@en, "adeninas"@es .

nalt:6513
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "alantoína"@es, "allantoin"@en ;
  skos:related nalt:4115 .

nalt:313832
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:4115 ;
  skos:prefLabel "bases nitrogenadas"@es, "nucleobases"@en .

nalt:60583
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:4115 ;
  skos:prefLabel "xantinas"@es, "xanthines"@en .