InChI=1/C21H22BrN3O3/c22-16-8-6-15(7-9-16)21(10-1-2-11-21)20(28)25-17-5-3-4-14(12-17)19(27)24-13-18(23)26/h3-9,12H,1-2,10-11,13H2,(H2,23,26)(H,24,27)(H,25,28)/f/h24-25H,23H2 3B07909B592E7FB9