@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/259218009>
  skos:prefLabel "ایزوپروپیل نیترات"@fa, "Isopropyl nitrate"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/300971002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/300971002> .

<http://www.irandoc.acir/onto/irandoc/300971002>
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "استر اسید نیتریک"@fa, "Nitric acid ester"@en ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/11257001>, <http://www.irandoc.acir/onto/irandoc/45120003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/11257001>, <http://www.irandoc.acir/onto/irandoc/45120003> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/386836006>, <http://www.irandoc.acir/onto/irandoc/259218009> .

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

<http://www.irandoc.acir/onto/irandoc/45120003>
  skos:prefLabel "استر"@fa, "ester"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/300971002> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/11257001>
  skos:prefLabel "ترکیب نیتروژن"@fa, "Nitrogen compound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/300971002> .