InChI=1/C13H12N4O6S/c14-24(22,23)9-2-3-10(11(6-9)17(20)21)16-15-7-8-1-4-12(18)13(19)5-8/h1-7,16,18-19H,(H2,14,22,23)/b15-7+/f/h14H2 2A156AF6928CAA64