InChI=1/C17H16F2N2O4S/c1-17(2)9-25-14-5-4-11(8-13(14)20-16(17)22)21-26(23,24)15-6-3-10(18)7-12(15)19/h3-8,21H,9H2,1-2H3,(H,20,22)/f/h20H D03F3F06F1917258