InChI=1/C18H19FN2O6S/c19-13-2-1-3-15(12-13)27-14-4-6-16(7-5-14)28(24,25)21-18(17(22)20-23)8-10-26-11-9-18/h1-7,12,21,23H,8-11H2,(H,20,22)/f/h20H AC925406B560C7B9