InChI=1/C12H10F2N2O4/c13-6-3-5(12(19)20)9(4-7(6)14)16-11(18)8-1-2-10(17)15-8/h3-4,8H,1-2H2,(H,15,17)(H,16,18)(H,19,20)/p-1/t8-/m1/s1/fC12H9F2N2O4/h15-16H/q-1 A8D45C17FA10119E