InChI=1/C17H14F2N2O4S/c1-26(23,24)12-5-6-13(19)15(8-12)20-17(22)16-9-14(21-25-16)10-3-2-4-11(18)7-10/h2-8,16H,9H2,1H3,(H,20,22)/t16-/m0/s1/f/h20H 399C0C67ACA76F4D