About: http://webisa.webdatacommons.org/67033198

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	(5) ##STR4## in which R is an alkyl group, and X is an anion such as halogen, perchlorate, RF6 -, perfluoroalkane sulfonate, or a substituted or unsubstituted benzene sulfonate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com