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

kfp:-R4X3L5HM-S
  owl:sameAs obo:CHEBI_68508 ;
  skos:hiddenLabel "2-butenedioic acid (2Z)-, dimethyl ester"@en, "maleic acid, diethyl ester"@en ;
  a skos:Concept ;
  skos:inScheme kfp: ;
  skos:broader kfp:-XXJ5QKWH-F, kfp:-X7VK2HNG-0 ;
  skos:prefLabel "diethyl maleate"@en ;
  skos:altLabel "diethyl (2Z)-but-2-enedioate"@en .

kfp: a skos:ConceptScheme .
kfp:-XXJ5QKWH-F
  skos:prefLabel "maleate ester"@en ;
  a skos:Concept ;
  skos:narrower kfp:-R4X3L5HM-S .

kfp:-X7VK2HNG-0
  skos:prefLabel "ethyl ester"@en ;
  a skos:Concept ;
  skos:narrower kfp:-R4X3L5HM-S .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-R4X3L5HM-S .