InChI=1/C11H11Br2N7O2S/c12-6-1-5(9(22)7(13)2-6)3-16-17-10-18-19-11(20(10)15)23-4-8(14)21/h1-3,22H,4,15H2,(H2,14,21)(H,17,18)/b16-3+/f/h17H,14H2 8CB27EF0FC6DB8A4