Aug.  27,  2020  8  US 2020/0272048 Al  -continued  0  0  rlO+cWH2  F3C7\  )  HO CF3  0  rlO+cWH2  F3C7\  )  HO H  0  rlO+cWH F 3 C7\  <  H,:J--<toH,  NH$^{2 }$ O+c  WH2  0  0  )-s~+cNH,  ~>-<toH,  0  0  o~_r-(O+cNH,  B,+--<toH,  -continued  }-<toH,  )-<tcNH,  }-<toH,  }--<toH,  >-<tcNH,  >--<toH,  t-<toH,  Br>--<OtcWH2  Br  O  Br~O+cWH2  Br  O  0  ::=>--<tcN H, 