InChI=1/C23H21BrN2O6/c1-29-20-11-16(24)9-15-10-17(23(28)32-21(15)20)22(27)26-6-4-25(5-7-26)12-14-2-3-18-19(8-14)31-13-30-18/h2-3,8-11H,4-7,12-13H2,1H3 0F0A96658A9F4AD2