US 9,557,643 B2  237  238  -continued  -continued  (HR-11)  CH3  I  ---f CH2-C t- OAO  I  ,,  OH  CF3  (HR-12)  ~  lC3F7  (HR-14)  ~  F 3 C  ~CF3  (HR-15)  ~  lCF3  (HR-16)  (HR-17)  (HR-18)  (HR-19)  (HR-20)  ~~  O C;C~CC;  lQ  (HR-21)  ~~~  lCF3  (HR-22) 