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

<http://www.irandoc.acir/onto/irandoc/NEMA0008528>
  skos:altLabel "نفتالن"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008529> ;
  skos:prefLabel "نفتالین"@fa, "naphthalene"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008529>
  skos:prefLabel "هیدروکربن‌های آروماتیک"@fa, "aromatic hydrocarbons"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008528> .