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

<http://www.irandoc.acir/onto/irandoc/CHEM0004793>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM0005630> ;
  skos:prefLabel "دی‌متیل ‌اتر"@fa, "dimethyl ether"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM0005630>
  skos:prefLabel "chemical compounds"@en, "ترکیبات شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM0004793> .