@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: a skos:ConceptScheme .
kfp:-QLQM69VD-Q
  skos:prefLabel "inorganic phosphonate"@en ;
  a skos:Concept ;
  skos:broader kfp:-PJLZN86N-3 .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-PJLZN86N-3 .

kfp:-PJLZN86N-3
  owl:sameAs obo:CHEBI_26066 ;
  skos:narrower kfp:-QLQM69VD-Q, kfp:-MNTKZG0C-9 ;
  skos:hiddenLabel "phosphonates"@en ;
  a skos:Concept ;
  skos:inScheme kfp: ;
  skos:broader kfp:-D42TLC4J-L ;
  skos:prefLabel "phosphonate"@en .

kfp:-MNTKZG0C-9
  skos:prefLabel "organic phosphonate"@en ;
  a skos:Concept ;
  skos:broader kfp:-PJLZN86N-3 .

kfp:-D42TLC4J-L
  skos:prefLabel "phosphonic acid derivative"@en ;
  a skos:Concept ;
  skos:narrower kfp:-PJLZN86N-3 .