PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At one time, ethyl chloride was a high-volume industrial chemical used in the preparation of the gasoline additive tetraethyl lead.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com