InChI=1/C12H9BrCl2N4O/c13-6-4-7(14)11(8(15)5-6)18-12(20)9-2-1-3-10(17-9)19-16/h1-5H,16H2,(H,17,19)(H,18,20)/f/h18-19H 6D9DF14A64CB9409