PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of the compound having a thiophene skeleton include those having a ring such as a benzene ring and a naphthalene ring condensed to a thiophene ring.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com