InChI=1/C21H20BrN3O2/c1-13-2-7-18-17(10-13)14(12-24-18)8-9-23-19-11-20(26)25(21(19)27)16-5-3-15(22)4-6-16/h2-7,10,12,19,23-24H,8-9,11H2,1H3/p+1/t19-/m0/s1/fC21H21BrN3O2/h23H/q+1 D6133907D56E4891