InChI=1/C17H15N7O4S/c25-14-7-6-13(24(27)28)8-11(14)9-18-21-16-20-17(23-22-16)29-10-15(26)19-12-4-2-1-3-5-12/h1-9,25H,10H2,(H,19,26)(H2,20,21,22,23)/b18-9+/f/h19,21-22H 9BC22CB95C2A1CDE