US 9,612,535 B2  50  49  -continued  -continued  (Aa-97)  (Aa-99)  (Aa-98)  (Aa-100)  (Aa-101)  (Aa-102)  (Aa-103)  :t  0  (Aa-94)  O  OH  :t  :t  0  ~  &OOOH  (Aa-95)  :to  ~  0  0  F3C~CF3  CF  OH  3  (Aa-96) 