PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ring one or two substituents selected from halogen, especially chlorine and fluorine, and trifluoromethyl.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com