@prefix : <https://www.semantic-network.de/umthes/>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix dct: <http://purl.org/dc/terms/>.
@prefix foaf: <http://xmlns.com/foaf/spec/>.
@prefix iqvoc: <http://try.iqvoc.net/schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix schema: <https://www.semantic-network.de/umthes/schema#>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix skosxl: <http://www.w3.org/2008/05/skos-xl#>.
@prefix sns: <https://sns.uba.de/schema#>.
@prefix void: <http://rdfs.org/ns/void#>.

:UR81 a skos:Collection;
      skosxl:prefLabel :ur81-chemikalienrecht;
      skos:prefLabel "UR81 Chemikalienrecht"@de;
      skosxl:prefLabel :ur81-chemical-substances-law;
      skos:prefLabel "UR81 chemicals legislation"@en;
      skos:member :_00027140;
      skos:member :_00020119;
      skos:member :_00052211;
      skos:member :_f91caa19;
      skos:member :_00602631;
      skos:member :_00607943;
      skos:member :_00500710;
      skos:member :_00653160;
      skos:member :_f5a9e102;
      skos:member :_00031512;
      skos:member :_00653935;
      skos:member :_00006016;
      skos:member :_00606985;
      skos:member :_00040795;
      skos:member :_00670269;
      skos:member :_bf41a4e2;
      skos:member :_00006011;
      skos:member :_00666117;
      skos:member :_00605524;
      skos:member :_00605523;
      skos:member :_00500605.