Oct. 8, 2020  66  US 2020/0319551 Al  -continued  -continued  M-20  ~o  X:o  M-21  j:  Y"o/  M-22  OH  M-23  OH  OH  M-24  j:  ¢  OH  M-25  c~o  CF3  M-19  F3C  CF3  C;C  :  I  CC;  M-18  j:  c,cv/  I  o  #  CF3  M-17  F3C  CF3  or(  M-16  M-15 