@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/424380009>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/424563009> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/423247009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/424563009> ;
  skos:prefLabel "مشتق کرومان (ماده)"@fa, "Chroman derivative (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/423247009>
  skos:prefLabel "کاتچین (ماده)"@fa, "Catechin (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/424380009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/424380009> .

<http://www.irandoc.acir/onto/irandoc/424563009>
  skos:prefLabel "بنزوپیران (ماده)"@fa, "Benzopyran (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/424380009> .