InChI=1/C9H10N2O5S/c1-16-9(10)11-17(14,15)7-4-2-6(3-5-7)8(12)13/h2-5H,1H3,(H2,10,11)(H,12,13)/p-1/fC9H9N2O5S/h10H2/q-1 3F26F011A0466C2E