@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/372620004>
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "Central stimulant (substance)"@en, "محرک مرکزی (ماده)"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/373337007>, <http://www.irandoc.acir/onto/irandoc/387393000>, <http://www.irandoc.acir/onto/irandoc/387303009>, <http://www.irandoc.acir/onto/irandoc/412035000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/387459000> ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/387459000> .

<http://www.irandoc.acir/onto/irandoc/373337007>
  skos:prefLabel "متیل فنیدات (ماده)"@fa, "Methylphenidate (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/372620004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/372620004> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/387303009>
  skos:prefLabel "دی اتیل پروپیون (ماده)"@fa, "Diethylpropion (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/372620004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/372620004> .

<http://www.irandoc.acir/onto/irandoc/387393000>
  skos:prefLabel "پمولین (ماده)"@fa, "Pemoline (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/372620004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/372620004> .

<http://www.irandoc.acir/onto/irandoc/292410009> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/372620004> .
<http://www.irandoc.acir/onto/irandoc/412035000>
  skos:prefLabel "آمفتامین و مشتقات (ماده)"@fa, "Amphetamine and derivatives (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/372620004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/372620004> .

<http://www.irandoc.acir/onto/irandoc/387459000>
  skos:prefLabel "محرک روانی (ماده)"@fa, "Psychostimulant (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/372620004> .