PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • cytotoxic agent, such as a drug, a toxin, a cytotoxic peptide or a radionuclide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com