InChI=1/C20H15FN4O4S/c21-13-4-6-14(7-5-13)24-17-8-9-30(28,29)19(17)18(16(11-22)20(24)23)12-2-1-3-15(10-12)25(26)27/h1-7,10,18H,8-9,23H2/t18-/m0/s1 536E5E8D0497F359