PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • R32 is preferably a hydrogen atom or an alkyl group, and especially preferable is a hydrogen atom or a hydrocarbon group having 1 to 3 carbon atoms of methyl, ethyl and propyl.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com