About: http://webisa.webdatacommons.org/300459497

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	In the general formula (I) , Y is a counter ion and specific examples include CH3 SO4 -, FSO3 -, CF3 SO3 -, C4 F9 SO3 -, a halogen ion, and the group represented by the following formula: ##STR2##
http://www.w3.org/ns/prov#wasQuotedFrom	google.com