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

<http://d-nb.info/gnd/4171834-3> skos:closeMatch lcsh:sh85091698 .
<http://lod.nal.usda.gov/nalt/12297> skos:exactMatch lcsh:sh85091698 .
lcsh:sh85091817
  skos:notation "QP801.N48", "TS2255", "RM666.N48", "RC567" ;
  skos:prefLabel "Nicotine"@en ;
  a skos:Concept .

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

lcsh:sh87001832
  skos:prefLabel "Isonicotinic acid"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85091698 .

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

lcsh:sh85143958
  skos:prefLabel "Vitamin B complex"@en ;
  a skos:Concept .

lcsh:sh85144000 skos:broader lcsh:sh85091698 .
<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85091698
  skos:altLabel "Pyridinecarboxylic acid"@en, "Nicotinic acid"@en, "P.P. factor"@en, "Pellagra preventive factor"@en, "Antipellagra vitamin"@en, "Carboxypyridine"@en ;
  skos:broader lcsh:sh85109332, lcsh:sh85020144, lcsh:sh85143958, lcsh:sh85091817 ;
  skos:member lcsh:collection_LCSH_General, lcsh:collection_LCSHAuthorizedHeadings ;
  skos:closeMatch <http://d-nb.info/gnd/4171834-3> ;
  a skos:Concept ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  dc:modified "1987-05-01T14:56:44"^^xsd:dateTime ;
  skos:notation "QP772.N48" ;
  skos:exactMatch <http://lod.nal.usda.gov/nalt/12297> ;
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime ;
  skos:related lcsh:sh87001832 ;
  skos:prefLabel "Niacin"@en .