PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • each Q is independently H, lower alkyl, or ???R6???SR3, provided that when L is SH, at least one of Q is other than H; and
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com