InChI=1/C12H8FN3O4/c13-8-4-1-7(2-5-8)3-6-9-10(16(19)20)11(17)15-12(18)14-9/h1-6H,(H2,14,15,17,18)/p-1/b6-3-/fC12H7FN3O4/h15H/q-1 202B6B1D4196C25D