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

<http://www.irandoc.acir/onto/irandoc/NEMA0008527>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008529> ;
  skos:prefLabel "فنانترن"@fa, "phenanthrene"@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/NEMA0008527> .