InChI=1/C13H15N3O4S/c1-13(5-7-21(19,20)8-13)15-11-10(12(17)18)16-6-3-2-4-9(16)14-11/h2-4,6,15H,5,7-8H2,1H3,(H,17,18)/p-1/t13-/m1/s1/fC13H14N3O4S/q-1 95302C32E729E7D8