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

<http://www.irandoc.acir/onto/irandoc/CHMTR000126>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000129> ;
  skos:prefLabel "متانول"@fa, "methanol"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000129>
  skos:prefLabel "فراورده‌های پتروشیمیایی"@fa, "petrochemical products"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000126> .