Jan. 10, 2019  42  US 2019/0010119 Al  wherein the broken line represents a bonding site.  [0151]  When any two of R 34 , R 35 , and R $^{36 }$or any two of  R 27 , R 28 , and R $^{29 }$may be bonded with each other to form a  ring together with the sulfur atom to which they are bonded  in the sulfonium cation in the general formulae (B10) and  (B8), illustrative examples of the sulfonium cation include  the following:  wherein R$^{33 }$represents the same groups represented by R 21  to R 22 , R $^{24 }$to R32 , R 34 , and R 35 .  [0152]  Illustrative examples of the specific structure of the  sulfonium cation in the general formulae (B10) and (B8)  include the following, but are not limited thereto.  -continued  ----~--- ----~--- JQ---- 0  0  --lQ--- 0  oo6cx::o  I  I  I  I  R33  R33  R33  R33  0  O  O  II  ~#  CX SX)~  (Xi  SX)~  S+  #~  S+  #  I  I  R33  R33 