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

<http://www.irandoc.acir/onto/irandoc/CAB0053021>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0053024> ;
  skos:prefLabel "N-nitrosamine"@en, "ان-نیتروزآمین"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0053024>
  skos:prefLabel "نیتروزآمین‌ها"@fa, "nitrosamines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0053021> .