InChI=1S/C10H13N4O5S/c1-10(20(18)19,7-14-5-4-12-13-14)8(9(16)17)11-3-2-6-15/h2-6,8,11H,7H2,1H3,(H,16,17)/b3-2+/t8-,10-/m0/s1