InChI=1/C16H18BrN3O2/c1-4-19-10-6-5-9-13-11(20(3)15(9)10)7-8-12(14(13)17)22-16(21)18-2/h7-8H,4-6H2,1-3H3,(H,18,21)/f/h18H C88C29BAA56198E2