InChI=1/C18H18BrN3O2/c1-13(19)12-20-18(24)22-16(14-8-4-2-5-9-14)17(23)21-15-10-6-3-7-11-15/h2-11,16H,1,12H2,(H,21,23)(H2,20,22,24)/t16-/m1/s1/f/h20-22H F4E7366D725BAE9B