PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Protecting groups are chemical functional groups that can be selectively appended to and removed from functionalities, such as amine, hydroxyl groups or carboxyl groups.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk