InChI=1/C13H10N2O5S/c1-19-9-2-3-10-8(6-9)7-13(20-10)21(17,18)12-5-4-11(16)14-15-12/h2-7H,1H3,(H,14,16)/p-1/fC13H9N2O5S/q-1	6B596E119C3D29DE