InChI=1/C12H15FN2O4S/c1-12(2-3-20(18,19)6-12)15-10-4-7(11(16)17)9(14)5-8(10)13/h4-5,15H,2-3,6,14H2,1H3,(H,16,17)/p-1/t12-/m1/s1/fC12H14FN2O4S/q-1 1B8E27A32C89DC65