PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compounds of the above types wherein R is a C1-7 alkyl group and X is chlorine are particularly useful.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es