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

mdl: a skos:ConceptScheme .
mdl:-M1T9H4H6-S
  skos:hiddenLabel "charmoniums"@en, "Charmonium"@fr, "Charmonium"@en ;
  a skos:Concept ;
  skos:inScheme mdl: ;
  skos:broader mdl:-DJHTR9FM-1 ;
  skos:prefLabel "charmonium"@fr, "charmonium"@en .

mdl:-DJHTR9FM-1
  skos:prefLabel "quarkonium"@fr, "quarkonium"@en ;
  a skos:Concept ;
  skos:narrower mdl:-M1T9H4H6-S .