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

kfp: a skos:ConceptScheme .
kfp:-MG7S9RDX-T
  skos:prefLabel "N-(sulfoalkyl)piperazine"@en ;
  a skos:Concept ;
  skos:narrower kfp:-MKVLRN58-W .

kfp:-DZ813V3T-B
  skos:prefLabel "N-(2-hydroxyethyl)piperazine"@en ;
  a skos:Concept ;
  skos:narrower kfp:-MKVLRN58-W .

kfp:-MKVLRN58-W
  owl:sameAs obo:CHEBI_46758 ;
  skos:hiddenLabel "4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, monosodium salt"@en, "sodium 4-(2-hydroxyethyl)piperazin-1-ylethanesulphonate"@en ;
  a skos:Concept ;
  skos:inScheme kfp: ;
  skos:broader kfp:-DZ813V3T-B, kfp:-MG7S9RDX-T, kfp:-SPT8GWP5-Q ;
  skos:prefLabel "sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate"@en .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-MKVLRN58-W .

kfp:-SPT8GWP5-Q
  skos:prefLabel "organic sodium salt"@en ;
  a skos:Concept ;
  skos:narrower kfp:-MKVLRN58-W .