US 2019/0235380 Al  18  Aug. 1, 2019  -continued  (ca-1-21)  (ca-1-22)  (ca-1-25)  (ca-1-26)  (ca-1-23)  (ca-1-24)  (ca-1-27)  (ca-1-28)  [0216]  [In the formulae, R $^{11201 }$represents a hydrogen atom  or a substituent. Examples of the substituent include those  [0217]  Further, as the cation represented by Formula (ca› l), cations represented by Formulae ( ca-1-25) to ( ca-1-35)  are also preferable.  exemplified as the substituents which may be included in  R201 to R207 and R210 to R212_ ] 