PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most preferably R2 is a phenyl group substituted in the 2-position by a C1-6 alkyl or C1-6 alkoxy group, for example a methyl or methoxy group.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com