PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The thus obtained compounds of the formula [X] wherein R5 is a hydrogen atom, as well as their salts, can be isolated and purified in the well known manner.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com