@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:-DW2Q3T7S-V
  skos:prefLabel "azobenzenes"@en ;
  a skos:Concept ;
  skos:narrower kfp:-CMS6ML4N-V .

kfp:-H98S0WF6-4
  skos:prefLabel "naphthols"@en ;
  a skos:Concept ;
  skos:narrower kfp:-CMS6ML4N-V .

kfp: a skos:ConceptScheme .
kfp:-JKC2ZWT0-3
  skos:prefLabel "bis(azo) compound"@en ;
  a skos:Concept ;
  skos:narrower kfp:-CMS6ML4N-V .

kfp:-CMS6ML4N-V
  skos:broader kfp:-JKC2ZWT0-3, kfp:-H98S0WF6-4, kfp:-DW2Q3T7S-V, kfp:-KXJ0RXTW-H ;
  skos:altLabel "3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid"@en ;
  skos:prefLabel "Ponceau S (acid form)"@en ;
  skos:inScheme kfp: ;
  a skos:Concept ;
  skos:hiddenLabel "Ponceau S free acid"@en ;
  owl:sameAs obo:CHEBI_90322 .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-CMS6ML4N-V .

kfp:-KXJ0RXTW-H
  skos:prefLabel "arenesulfonic acid"@en ;
  a skos:Concept ;
  skos:narrower kfp:-CMS6ML4N-V .