Jul. 4, 2019  32  US 2019/0204738 Al  -continued  -continued  [0318]  The "-SO$_{2}$-containing cyclic group" indicates a  cyclic group having a ring containing -SO$_{2}$ - in the ring  structure thereof. Specifically, the -SO$_{2}$ -containing cyclic  (r-lc-7-1)  (r-lc-4-9)  (r-lc-4-8)  (r-lc-4-7)  (r-lc-4-6)  0  (r-lc-4-5)  ~o  (r-lc-4-4)  (r-lc-4-3)  0  (r-lc-4-2)  0  •@  (r-lc-4-1)  0  (r-lc-3-5)  (r-lc-5-1)  0  (r-lc-5-2)  0  (r-lc-5-3)  0  0  (r-lc-5-4)  0  (r-lc-6-1) 