PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • R2 may alternately be a group linked by the functional group ???N???NHC(O)???Y, where Y is a group such as a ph
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com