@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/300971002>
  skos:prefLabel "استر اسید نیتریک"@fa, "Nitric acid ester"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/386836006> .

<http://www.irandoc.acir/onto/irandoc/386836006>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/372700007>, <http://www.irandoc.acir/onto/irandoc/300971002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/372700007>, <http://www.irandoc.acir/onto/irandoc/300971002> ;
  skos:prefLabel "پنتا اریتریتول تترانیترات (ماده)"@fa, "Pentaerythritol tetranitrate (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/293554006> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/386836006> .
ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/372700007>
  skos:prefLabel "عامل گشادکننده عروق مبتنی بر نیترات (ماده)"@fa, "Nitrate-based vasodilating agent (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/386836006> .