InChI=1/C18H14F2N4O4/c1-9-15(17(25)22-11-5-6-13(19)14(20)8-11)16(23-18(26)21-9)10-3-2-4-12(7-10)24(27)28/h2-8,16H,1H3,(H,22,25)(H2,21,23,26)/t16-/m0/s1/f/h21-23H CB6EF4851E6E185A