InChI=1/C12H13F2NO4S/c13-9-4-7(12(16)17)5-10(14)11(9)15-8-2-1-3-20(18,19)6-8/h4-5,8,15H,1-3,6H2,(H,16,17)/p-1/t8-/m1/s1/fC12H12F2NO4S/q-1 AB6C4D0F02ACE091