InChI=1/C21H24BrN3O3/c1-5-16-19(25-12-14(22)10-13(4)20(25)24-16)21(26)23-15-8-9-17(27-6-2)18(11-15)28-7-3/h8-12H,5-7H2,1-4H3,(H,23,26)/f/h23H 72AB7EF2F64E4A5F