InChI=1S/C17H10F8N2O5/c1-16(29,5-32-14-12(21)10(19)9(18)11(20)13(14)22)15(28)26-6-2-3-8(27(30)31)7(4-6)17(23,24)25/h2-4,29H,5H2,1H3,(H,26,28)/t16-/m0/s1