PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One preferred R group is (CH2)3???O???[CH2CH2???O]x???CH3 where x is an integer of from about 2 to about 10.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au