12,29-Dimethoxy-2,10-dioxa-16,19,22,25,34-pentaazatetracyclo[25.2.2.2~11,14~.1~4,8~]tetratriaconta-1(29),4(34),5,7,11,13,15,25,27,30,32-undecaene AIDS-149111 AIDS149111 NSC682818