InChI=1/C13H11NO6S/c1-20-9-4-7(2-3-8(9)15)5-10-12(18)14(6-11(16)17)13(19)21-10/h2-5,15H,6H2,1H3,(H,16,17)/p-1/b10-5-/fC13H10NO6S/q-1	9D74B31F8E211A54