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

<http://rdf-vocabulary.ddialliance.org/xkos#Is_a> rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/46843002>
  ns0:Is_a "768845000", "259541002" ;
  skos:prefLabel "زانتین"@fa, "Xanthine"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/349994006> ns0:Has_active_ingredient <http://www.irandoc.acir/onto/irandoc/46843002> .
<http://www.irandoc.acir/onto/irandoc/294157003> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/46843002> .