PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • where M is an alkali metal or an ammonium group, and (C) amide compounds of perfluoroether carboxylic acid represented by the following general formula:
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com