InChI=1/C11H14N4O4S2/c1-8(15-21(18,19)11-6-13-14-7-11)9-3-2-4-10(5-9)20(12,16)17/h2-8,15H,1H3,(H,13,14)(H2,12,16,17)/t8-/m0/s1/f/h13H,12H2 0887B8FDD52E683E