US 10,802,400 B2  11  12  -continued  Br  Br  Br  Br  Br  #  CF 3  0~ /S03- C  F2  RA  Br  Br  Br  Br  Br  CF 3  Br  0  0~ /S03- C  F2  Br  RA  Br  Br  0  F2  Yc’s03- 0  -continued  l"’_  B,J;ClliJ:  O  CF  I 2  so$_{3}$ - Br  Br  Br  XR’  AO O  ~,  YYY’s03- Br  o  CF$_{3 }$ XR’  CC o  o o__,.,,,,.-~2,  I  S03- 0  CF3  #  Br  XR’  o  o oy~2"-s03- o  CF3  #  Br 