@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
nalt:22977_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Derivado beta-dihidroxilado de fenilalanina. La forma D de la dihidroxifenilalanina tiene menos actividad fisiológica que la forma L y se usa habitualmente de manera experimental para determinar si los efectos farmacológicos de la levodopa son estereoespecíficos."@es, "A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of levodopa are stereospecific."@en ;
  dc:source "Medical Subject Headings" .

<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:22977
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-02-23"^^xsd:date ;
  skos:altLabel "dopa (dihydroxyphenylalanine)"@en, "3, 4-dihydroxy-l-phenylalanine"@en, "beta-hydroxytyrosine"@en, "3,4-dihydroxyphenylalanine"@en ;
  skos:broader nalt:17366, nalt:6878 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh87004151> ;
  skos:definition nalt:22977_def ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:22978 ;
  skos:prefLabel "dihydroxyphenylalanine"@en, "dihidroxifenilalanina"@es ;
  ns0:marc001 "12077" .

nalt:22978
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:22977 ;
  skos:prefLabel "L-dopa"@es, "L-dopa"@en .

nalt:6878
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:22977 ;
  skos:prefLabel "nonprotein amino acids"@en, "aminoácidos no protéicos"@es .

nalt:17366
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:22977 ;
  skos:prefLabel "catecolaminas"@es, "catecholamines"@en .