InChI=1/C18H14Br2N2O3/c1-9-3-4-13(5-10(9)2)22-18(25)14(17(24)21-22)7-11-6-12(19)8-15(20)16(11)23/h3-8,23H,1-2H3,(H,21,24)/b14-7+/f/h21H A061274288321E4C