InChI=1/C12H7N5O2/c13-5-7-3-8-9(16-12(19)11(18)15-8)4-10(7)17-2-1-14-6-17/h1-4,6H,(H,15,18)(H,16,19)/p-1/fC12H6N5O2/h16H/q-1 AC2BBC94F5937D5C