@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:-FZ7ZKPQT-R
  skos:prefLabel "alicyclic ketone"@en ;
  a skos:Concept ;
  skos:narrower kfp:-S8BSK16P-K .

kfp:-XXPKHP49-6
  skos:prefLabel "carbon oxoacid"@en ;
  a skos:Concept ;
  skos:narrower kfp:-S8BSK16P-K .

kfp: a skos:ConceptScheme .
kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-S8BSK16P-K .

kfp:-S8BSK16P-K
  skos:broader kfp:-XXPKHP49-6, kfp:-FZ7ZKPQT-R ;
  skos:hiddenLabel "Quadratic acid"@en, "1,2-Diketo-3,4-dihydroxycyclobutene"@en, "3,4-dihydroxy-3-cyclobutene-1,2-dione"@en, "1,2-dioxo-3,4-dihydroxycyclobutene"@en, "Quadratsaeure"@en, "1,2-dioxo-3,4-dihydroxycyclobut-3-ene"@en ;
  skos:altLabel "3,4-dihydroxycyclobut-3-ene-1,2-dione"@en ;
  a skos:Concept ;
  skos:inScheme kfp: ;
  owl:sameAs obo:CHEBI_52141 ;
  skos:prefLabel "squaric acid"@en .