InChI=1/C12H7F4N2O4S2/c13-8-5-9(14)11(16)12(10(8)15)24(21,22)18-6-1-3-7(4-2-6)23(17,19)20/h1-5H,(H2,17,19,20)/q-1/f/h17H2 5FF9F69114F54513