@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 ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
nalt:305978_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Drugs designed and synthesized, often for illegal street use, by modification of existing drug structures (e.g., amphetamines). Of special interest are MPTP (a reverse ester of meperidine), MDA (3,4-methylenedioxyamphetamine), and MDMA (3,4-methylenedioxymethamphetamine). Many drugs act on the aminergic system, the physiologically active biogenic amines."@en, "Drogas diseñadas y sintetizadas, a menudo para uso ilegal en la calle, mediante la modificación de estructuras de fármacos (como las anfetaminas). Revisten especial interés la MPTP (un éster inverso de la meperidina), la MDA (3,4-metilendioxianfetamina) y la MDMA (3,4-metilendioximetanfetamina). Muchas drogas actúan en el sistema aminérgico, las aminas biógenas fisiológicamente activas."@es ;
  dc:source "Medical Subject Headings 2017" .

<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:305978
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2017-07-31"^^xsd:date ;
  dc:modified "2017-11-10"^^xsd:date ;
  skos:altLabel "customized drugs"@en ;
  skos:broader nalt:286 ;
  skos:definition nalt:305978_def ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "designer drugs"@en, "drogas de diseño"@es ;
  skos:related nalt:220032, nalt:6108 ;
  ns0:marc001 "81055" .

nalt:220032
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "illicit drugs"@en, "drogas ilícitas"@es ;
  skos:related nalt:305978 .

nalt:6108
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "substance abuse"@en, "abuso de sustancias"@es ;
  skos:related nalt:305978 .

nalt:286
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:305978 ;
  skos:prefLabel "medicamentos"@es, "drugs"@en .