@prefix kfp: <http://data.loterre.fr/ark:/67375/KFP> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix obo: <http://purl.obolibrary.org/obo/> .

kfp:-VFJX3RT2-J
  skos:prefLabel "iron oxide"@en ;
  a skos:Concept ;
  skos:narrower kfp:-BBS0LHNP-N .

kfp: a skos:ConceptScheme .
kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-BBS0LHNP-N .

kfp:-BBS0LHNP-N
  skos:broader kfp:-VFJX3RT2-J ;
  skos:hiddenLabel "iron oxide"@en, "iron monooxide"@en, "Eisen(II)-oxid"@en, "iron monoxide"@en ;
  skos:inScheme kfp: ;
  skos:prefLabel "ferrous oxide"@en ;
  skos:altLabel "iron(II) oxide"@en, "iron(2+) oxide"@en ;
  owl:sameAs obo:CHEBI_50820 ;
  a skos:Concept .