InChI=1/C13H13N3O4S/c1-6-8-10(17)14-5-15-11(8)21-9(6)12(18)16-3-2-7(4-16)13(19)20/h5,7H,2-4H2,1H3,(H,19,20)(H,14,15,17)/p-1/t7-/m1/s1/fC13H12N3O4S/h14H/q-1 FC4E541A3E3A4A0F