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

<http://www.irandoc.acir/onto/irandoc/chmtr000266>
  skos:prefLabel "فرمول ساختاری"@fa, "structural formula"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/chmtr000265> .

<http://www.irandoc.acir/onto/irandoc/chmtr000265>
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000266> ;
  skos:prefLabel "فرمول ساختاری هیدروكربن‌ها"@fa, "structural formula of hydrocarbons"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .