InChI=1/C7H6N4O4S2/c8-17(13,14)7-11-10-6(16-7)9-5(12)4-2-1-3-15-4/h1-3H,(H2,8,13,14)(H,9,10,12)/f/h9H,8H2 B4AB437A5DCD5EBC