PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compounds of the invention wherein Y is a single bond or O and X is S may be prepared starting with acid XIII or XXVI as follows:
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com