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

<http://www.irandoc.acir/onto/irandoc/CHEM000559>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM000558> ;
  skos:prefLabel "نانونوار"@fa, "nanoribbon"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM000558>
  skos:prefLabel "graphene nanoribbon"@en, "نانونوار گرافنی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM000559> .