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

<http://www.irandoc.acir/onto/irandoc/AGR0002566>
  skos:prefLabel "Aromatic hydrocarbons"@en, "هیدروکربن‌های آروماتیک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AGR0002562> .

<http://www.irandoc.acir/onto/irandoc/AGR0002562>
  skos:altLabel "Diphenyl"@en, "دی‌فنیل"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0002566> ;
  skos:prefLabel "Biphenyl"@en, "بی‌فنیل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .