PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Rf group can be a fluoroalkyl or perfluoroalkyl group, which can be either normal or branched, and has up to about 18 carbon atoms, preferably one to eight carbon atoms, especially preferred one to three carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com