InChI=1/C8H11NO4S/c10-6-2-1-5(8(12)13)9(6)7(11)3-4-14/h5,14H,1-4H2,(H,12,13)/p-1/t5-/m1/s1/fC8H10NO4S/q-1 1A281DF45390E489