InChI=1/C16H11BrCl2N4O/c1-9-15(23-8-10(17)5-6-14(23)21-9)16(24)22-20-7-11-12(18)3-2-4-13(11)19/h2-8H,1H3,(H,22,24)/b20-7+/f/h22H 69A91FE359AF568E