@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB000237>
  skos:prefLabel "مواد سمی"@fa, "toxic substances"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0053137> .

<http://www.irandoc.acir/onto/irandoc/CAB0053137>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0053149>, <http://www.irandoc.acir/onto/irandoc/CAB000237> ;
  skos:prefLabel "تر‌فنیل‌های چندکلردار"@fa, "polychlorinated terphenyls"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0053149>
  skos:prefLabel "هیدروکربن‌های کلردار"@fa, "chlorinated hydrocarbons"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0053137> .