PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • coordinating material such as an alcohol, ether, ester, sulfide, ketone, aldehyde, amide and/or nitrile.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com