InChI=1/C18H20BrN3O/c1-3-23-16-7-5-4-6-13(16)17-15(8-9-20)22-11-12(2)10-14(19)18(22)21-17/h4-7,10-11H,3,8-9,20H2,1-2H3/p+1/fC18H21BrN3O/h20H/q+1 D3B3F02CA682CC76