-continued  -continued  144  US 9,217,919 B2  143  (A27)  (A32)  O~OH  ¢  CF3SO 3 - CCSX)  ~I  S~OH  (A33)  ¢  W*’  CCSX)  ’  F  ~I  s  0  \~OH  Q  s+X)  ~  ~I  0  0  II  O=S-CF  I  2  s  N- \  O=S-CF  II  2  s  0  (A28)  (A34)  O~OH  CC s+X)  ~  ~I  s  #~  0 O  (A29)  O~OH  0  0  \~OH  Q  s+X)  ~  ~I  (A35)  0  OH  s+X)  ~  ~I  s  (A30)  (A36)  (A31) 