@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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 .
nalt:8457_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Principal alcaloide del opio y analgésico narcótico opioide prototipo. Tiene efectos generalizados en el sistema nervioso central y en el músculo liso."@es, "The principal alkaloid in opium and the prototype opiate analgesic and narcotic. Morphine has widespread effects in the central nervous system and on smooth muscle."@en ;
  dc:source "Medical Subject Headings 2016" .

<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:8457
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2017-07-06"^^xsd:date ;
  skos:broader nalt:2318, nalt:6456 ;
  skos:definition nalt:8457_def ;
  skos:exactMatch agrovoc:c_12656, <http://id.loc.gov/authorities/subjects/sh85087342>, <http://id.cabi.org/cabt/75362>, <http://id.agrisemantics.org/gacs/C21672> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt-awic> ;
  skos:prefLabel "morphine"@en, "morfina"@es ;
  skos:related nalt:280959 ;
  ns0:marc001 "24088" .

nalt:280959
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "heroin"@en, "heroína"@es ;
  skos:related nalt:8457 .

nalt:6456
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:8457 ;
  skos:prefLabel "opium alkaloids"@en, "alcaloides del opio"@es .

nalt:2318
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:8457 ;
  skos:prefLabel "analgésicos"@es, "analgesics"@en .