InChI=1/C12H6F5N2O4S2/c13-7-8(14)10(16)12(11(17)9(7)15)25(22,23)19-5-1-3-6(4-2-5)24(18,20)21/h1-4H,(H2,18,20,21)/q-1/f/h18H2 25F604A4B4E6BBE1