InChI=1S/C15H10F9N3O7/c16-13(17,18)9(28)25-7-1-2-27(12(31)26-7)8-3-5(34-11(30)15(22,23)24)6(33-8)4-32-10(29)14(19,20)21/h1-2,5-6,8H,3-4H2,(H,25,26,28,31)