InChI=1/C24H19BrN2O4/c1-2-31-18-11-8-16(9-12-18)22(28)20-21(15-6-4-3-5-7-15)27(24(30)23(20)29)19-13-10-17(25)14-26-19/h3-14,21,29H,2H2,1H3/p-1/t21-/m1/s1/fC24H18BrN2O4/h29h/q-1 A77A7E22ADE73285