@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Chemical>
  a owl:Class ;
  rdfs:label "Chemical"@en .

nalt:6460
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2016-09-08"^^xsd:date ;
  skos:broader nalt:6445 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh85109367> ;
  skos:exactMatch agrovoc:c_13698, <http://id.cabi.org/cabt/98550>, <http://id.agrisemantics.org/gacs/C18564> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:60668, nalt:60669, nalt:60670, nalt:53364 ;
  skos:prefLabel "pyrrolizidine alkaloids"@en, "alcaloides de la pirrolizidina"@es ;
  skos:related nalt:1988, nalt:10485 ;
  ns0:marc001 "31187" .

nalt:53364
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6460 ;
  skos:prefLabel "monocrotaline"@en, "monocrotalina"@es .

nalt:60670
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6460 ;
  skos:prefLabel "ridelina"@es, "riddelliine"@en .

nalt:60669
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6460 ;
  skos:prefLabel "retrorsine"@en, "retrorsina"@es .

nalt:60668
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:6460 ;
  skos:prefLabel "retronecina"@es, "retronecine"@en .

nalt:1988
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "patógenos alimentarios"@es, "food pathogens"@en ;
  skos:related nalt:6460 .

nalt:10485
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "natural toxicants"@en, "tóxicos naturales"@es ;
  skos:related nalt:6460 .

nalt:6445
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6460 ;
  skos:prefLabel "alcaloides"@es, "alkaloids"@en .