InChI=1/C12H15FN2O4S/c1-15(2)20(18,19)14-8-10-7-9(3-5-11(10)13)4-6-12(16)17/h3-7,14H,8H2,1-2H3,(H,16,17)/p-1/b6-4+/fC12H14FN2O4S/q-1 57699FC722E1BB3D