@prefix lcsh: <http://www.yso.fi/onto/lcsh/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

lcsh:sh87001831 skos:broader lcsh:sh87001832 .
lcsh:sh85020144
  skos:prefLabel "Carboxylic acids"@en ;
  a skos:Concept .

lcsh:sh87001832
  skos:broader lcsh:sh85020144, lcsh:sh85109332 ;
  skos:member lcsh:collection_LCSHAuthorizedHeadings, lcsh:collection_LCSH_General ;
  skos:prefLabel "Isonicotinic acid"@en ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  skos:altLabel "Carboxypyridine"@en, "Pyridinecarboxylic acid"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85091698 ;
  dc:created "1987-03-25T00:00:00"^^xsd:dateTime .

lcsh:sh85109332
  skos:notation "QD401" ;
  skos:prefLabel "Pyridine"@en ;
  a skos:Concept .

<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85091698
  skos:notation "QP772.N48" ;
  skos:prefLabel "Niacin"@en ;
  a skos:Concept ;
  skos:related lcsh:sh87001832 .