InChI=1/C13H12N4O6S/c14-24(22,23)10-3-4-11(12(6-10)17(20)21)16-15-7-8-1-2-9(18)5-13(8)19/h1-7,16,18-19H,(H2,14,22,23)/b15-7+/f/h14H2 56A663D5CFE26D10