InChI=1/C12H7ClFN3O4/c13-7-2-1-3-8(14)6(7)4-5-9-10(17(20)21)11(18)16-12(19)15-9/h1-5H,(H2,15,16,18,19)/p-1/b5-4+/fC12H6ClFN3O4/h16H/q-1 42E169258EE4F771