InChI=1/C14H18BrN3O2/c1-9-4-5-10(15)8-11(9)17-13(19)14(12(16)18-20)6-2-3-7-14/h4-5,8,20H,2-3,6-7H2,1H3,(H2,16,18)(H,17,19)/f/h17H,16H2/b18-12- 91F5296F080C2DE9