@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/299979007>
  skos:prefLabel "ترکیب نیتروژن آلی"@fa, "Organic nitrogen compound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/300068008> .

<http://www.irandoc.acir/onto/irandoc/300065006>
  skos:prefLabel "نیتروپروپان"@fa, "Nitropropane"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/300068008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/300068008> .

<http://www.irandoc.acir/onto/irandoc/300068008>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/299979007> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/311755005>, <http://www.irandoc.acir/onto/irandoc/300065006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/299979007> ;
  skos:prefLabel "مشتق گروه نیترو"@fa, "Nitro group derivative"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/311755005>
  skos:prefLabel "نیتروگلیکول"@fa, "Nitroglycol"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/300068008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/300068008> .