InChI=1S/C10H12N4O9S/c15-1-3-6(23-24(19,20)21)5(16)9(22-3)14-2-11-4-7(14)12-10(18)13-8(4)17/h2-3,5-6,9,15-16H,1H2,(H,19,20,21)(H2,12,13,17,18)