InChI=1/C26H23BrN2O4/c1-3-33-20-10-11-21(16(2)13-20)24(30)22-23(18-6-8-19(27)9-7-18)29(26(32)25(22)31)15-17-5-4-12-28-14-17/h4-14,23,31H,3,15H2,1-2H3/p-1/t23-/m0/s1/fC26H22BrN2O4/h31h/q-1 6BDE06B210B7FD2C