@prefix qx8: <http://data.loterre.fr/ark:/67375/QX8> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

qx8:-CR2FWVC6-F
  skos:prefLabel "chemical object"@en, "objet chimique"@fr ;
  a skos:Concept ;
  skos:narrower qx8:-74FCQRH9-5 .

qx8:-C3HSGM23-X
  skos:prefLabel "radioisotope"@en, "isotope radioactif"@fr ;
  a skos:Concept ;
  skos:broader qx8:-74FCQRH9-5 .

qx8: a skos:ConceptScheme .
qx8:-RM5SCXZD-D
  skos:prefLabel "stable isotope"@en, "isotope stable"@fr ;
  a skos:Concept ;
  skos:broader qx8:-74FCQRH9-5 .

qx8:-74FCQRH9-5
  skos:narrower qx8:-C3HSGM23-X, qx8:-L2FLJ4PM-G, qx8:-RM5SCXZD-D ;
  a skos:Concept ;
  skos:inScheme qx8: ;
  skos:broader qx8:-CR2FWVC6-F ;
  skos:prefLabel "isotope"@fr, "isotope"@en .

qx8:-L2FLJ4PM-G
  skos:prefLabel "isotope du strontium"@fr, "strontium isotope"@en ;
  a skos:Concept ;
  skos:broader qx8:-74FCQRH9-5 .