US 10,802,400 B2  115  116  HO  I  0  -continued  0  OH  h___J;o  }--<---\  F2C-S0 3 - I  OH  0-----<  CF 3  0  ~o  I~< F2C-s0 3 - HO  I  0-----<  I  I  CF3  0  >-CF3  $^{F2C }$\ $_{so}$$_{3}$$_{-}$ -continued  I  I  y--<:  0  I  0  0  >-CF3  $^{F2C }$\ $_{so}$$_{3}$$_{-}$ I  I  y--<:  0  I  0  >-CF3  $^{F2C }$\  so 3 - I  I  y--<:  0  I  0  >-CF3  $^{F2C }$\ $_{so}$$_{3}$$_{-}$