InChI=1/C26H21BrN2O4/c1-2-13-33-21-7-3-6-19(14-21)23-22(24(30)18-8-10-20(27)11-9-18)25(31)26(32)29(23)16-17-5-4-12-28-15-17/h2-12,14-15,23,31H,1,13,16H2/p-1/t23-/m1/s1/fC26H20BrN2O4/h31h/q-1 2CBAC4A541D40777