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

<http://www.irandoc.acir/onto/irandoc/CHEM0003737>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM0003743> ;
  skos:prefLabel "پلی‌ترپن‌ها"@fa, "polyterpenes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM0003743>
  skos:prefLabel "ترپن‌ها"@fa, "terpens"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM0003737> .