InChI=1/C24H23BrN2O4/c1-14-7-8-18-16(11-14)13-19(31-18)22(28)20-21(15-5-4-6-17(25)12-15)27(10-9-26(2)3)24(30)23(20)29/h4-8,11-13,21,29H,9-10H2,1-3H3/t21-/m1/s1/f/h29h,26H F0F57C7175C3EF7F