PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferably D and E are a substituted phenyl, wherein substitution means oxyalkyl, thioalkyl, halogenyl, carboxylic acid alkyl ester or aryl ester.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com