InChI=1/C21H18BrN3O6/c1-4-8-30-18(26)16-11(3)31-17(24)14(10-23)21(16)13-9-12(22)6-7-15(13)25(19(21)27)20(28)29-5-2/h4,6-7,9H,1,5,8,24H2,2-3H3/t21-/m1/s1 0EF32B3B43A752FA