InChI=1/C26H21BrN2O4/c1-3-11-32-18-6-4-5-16(13-18)23-22-24(30)19-14-17(27)7-8-20(19)33-25(22)26(31)29(23)21-12-15(2)9-10-28-21/h4-10,12-14,23H,3,11H2,1-2H3/t23-/m0/s1 9B52CC133B3933F6