@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/drug_classification>
  skos:prefLabel "drug classification"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/fentanyl> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/fentanyl> .

<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: <a href=\"https://sk.sagepub.com/reference/substance/n158.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Substance Abuse Prevention, Treatment, &amp; Recovery; Fentanyl</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/drug_classification> ;
  skos:prefLabel "fentanyl"@en ;
  a skos:Concept .