PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These surfactants are of the formula: ##STR3## where R is an oil soluble hydrocarbon, X is a carbon or S???O, and
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com