InChI=1/C10H12N2O5S/c11-18(16,17)8-3-1-7(2-4-8)10(15)12-6-5-9(13)14/h1-4H,5-6H2,(H,12,15)(H,13,14)(H2,11,16,17)/p-1/fC10H11N2O5S/h12H,11H2/q-1 2E78DC1942E395D7