InChI=1/C16H13F3N4O4/c17-16(18,19)8-21-15(25)10-3-1-2-4-12(10)22-14(24)9-5-6-11(20)13(7-9)23(26)27/h1-7H,8,20H2,(H,21,25)(H,22,24)/f/h21-22H BB52F710862A77D5