InChI=1/C26H27BrN2O4/c1-4-33-23-7-5-6-19(25(23)30)21-15-20(16-8-11-18(27)12-9-16)28-26(29-21)17-10-13-22(31-2)24(14-17)32-3/h5-14,21,26,29-30H,4,15H2,1-3H3/t21-,26-/m1/s1 29CDCC37C8122464