US 2019/0219920 Al  44  Jul. 18, 2019  -continued  -continued  (ca-1-12)  o~o~  ¢  CYSD  (ca-1-13)  o~o~  f?.  CYSD  (ca-1-14)  (ca-1-15)  (ca-1-19)  Jo  CYSD  (ca-1-18)  Jo  CYSD  (ca-1-17)  no  CYSD  (ca-1-16)  Jo  CYSD  [Chemical Formula 45] 