PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As used herein, the term ???purified,??? in the context of a compound, e.g. a compound identified in accordance with the method of the invention, refers to a compound that is substantially free of chemical precursors or other chemicals when chemically synthesized.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com