InChI=1/C17H14F2N2O4S/c18-17(19)26(24,25)14-8-4-2-6-11(14)16(23)21-12-7-3-1-5-10(12)9-13(21)15(20)22/h1-8,13,17H,9H2,(H2,20,22)/t13-/m1/s1/f/h20H2 DE6D617FBE4D4C8C