InChI=1/C18H22BrN3O/c1-13-9-16(19)7-8-17(13)21-18(23)20-11-14-5-4-6-15(10-14)12-22(2)3/h4-10H,11-12H2,1-3H3,(H2,20,21,23)/p+1/fC18H23BrN3O/h20-22H/q+1 D9D583E3788E1EE7