PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ether (by itself, or mixed with alcohol), nitrous oxide, chloroform, trilene (trichloroethylene), and the hydrocarbons such as benzene and hexane are among the many volatile
http://www.w3.org/ns/prov#wasQuotedFrom
  • erowid.org