InChI=1/C9H8FN2O6S/c1-5(9(13)14)19(17,18)11-8-3-2-6(12(15)16)4-7(8)10/h2-5H,1H3,(H,13,14)/q-1/p-1/t5-/m0/s1/fC9H7FN2O6S/q-2 A6D166A4F20977E4