InChI=1/C16H17F3N4O4/c17-16(18,19)9-3-1-2-4-10(9)22-15(27)20-8-5-12-13(25)21-11(7-24)14(26)23(12)6-8/h1-4,8,11-12,24H,5-7H2,(H,21,25)(H2,20,22,27)/t8-,11-,12-/m0/s1/f/h20-22H 20ED6E3FD4DD26D6