PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • heterocyclic compounds such as 2-isocyanato-4,5-diisothiocyanato-1,3,5-triazine and the like;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com