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

<http://www.irandoc.acir/onto/irandoc/CHEM0003504>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM0003507> ;
  skos:prefLabel "آهک کشته"@fa, "slaked lime"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM0003507>
  skos:prefLabel "آهک"@fa, "lime"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM0003504> .