PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Particularly preferred compounds for use as templating agents are the amines, quaternary phosphonium compounds and quaternary ammonium compounds, the latter two being represented generally by the formula R4 X+ wherein X is nitrogen or phosphorus and each R is an alkyl or aryl group containing from 1 to 8 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au