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

<http://www.irandoc.acir/onto/irandoc/CHMTR000409>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000412> ;
  skos:prefLabel "هم‌پارهای اوكتان"@fa, "octane isomers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000412>
  skos:prefLabel "isomer"@en, "هم‌پار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000409> .