PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • R6 is preferably hydrogen or a C1 -C4 alkyl radical, and particularly preferably hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au