@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j:-MB48CG9B-5
  skos:prefLabel "drug classification"@en ;
  a skos:Concept ;
  skos:narrower n9j:-HWQ9H2CC-3 .

n9j:-HWQ9H2CC-3
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/fentanyl> ;
  skos:definition "Fentanyl is a synthetic opioid analgesic that is approximately 80 times more potent than morphine. As such, it is a Schedule II controlled substance, which means there are specific regulations regarding its use. [Source: Encyclopedia of Substance Abuse Prevention, Treatment, & Recovery; Fentanyl]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-MB48CG9B-5 ;
  skos:prefLabel "fentanyl"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-HWQ9H2CC-3 .

n9j: a skos:ConceptScheme .