Apr. 18,  2019  8  US 2019/0113844 Al  [0057]  Examples of the cation in the sulfonium salt having  formula (A) are given below, but not limited thereto.  -continued  Oyoy~~(  0  0  0  Jo~c)lo_  (-)  F2  s  Jo~c~o- (-)  F2  s  J~c~o  (-)  F2  s  JX~o  (-)  F2  s  17  ~  0  ~s~o~c)lo_  F2  17  ~  I  0  ~s~oAc)lo_  F2  17  ~~  0  ~s~oAc)lo_  F2  17  ~x 0  ~s~o  c)lo_  F2  -continued  s  c)(Y~Yo  s  ((Y)~Yo  ((YXYO 