54  US 2019/0113844 Al  -continued  I  q-<_f  Cl  F2C-S03- I  NH2  ~-f  I  F2C-S03- I  q-<_f  F  F2C-S03- I  Q-<-f  F  F2C-S03- -continued  Apr. 18,  2019  [0132]  Examples of the anion moiety in the onium salts  having formulae (3-1) to (3-4) are given below, but not  limited thereto.  •---0---(_(’  F2C-S03-