InChI=1/C18H19FN2O4S/c1-11-8-12(19)4-7-16(11)26(23,24)21-13-5-6-14-15(9-13)25-10-18(2,3)17(22)20-14/h4-9,21H,10H2,1-3H3,(H,20,22)/f/h20H FC457766C2E7F7E3