InChI=1/C16H20F4N4O3/c1-23(7-13(25)21-10-16(18,19)20)9-15(27)24(2)8-14(26)22-12-5-3-11(17)4-6-12/h3-6H,7-10H2,1-2H3,(H,21,25)(H,22,26)/f/h21-22H 84566CE320327035