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

<http://www.irandoc.acir/onto/irandoc/CAB0053228>
  skos:prefLabel "ترکیبات فنولی"@fa, "phenolic compounds"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0053227> .

<http://www.irandoc.acir/onto/irandoc/CAB0057138>
  skos:prefLabel "شیمی چوب"@fa, "wood chemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0053227> .

<http://www.irandoc.acir/onto/irandoc/CAB0053227>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057138> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0053228> ;
  skos:prefLabel "لیگنان‌ها"@fa, "lignans"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .