InChI=1/C18H15BrN2O/c19-13-8-5-12(6-9-13)16-15-10-7-11-3-1-2-4-14(11)17(15)21-18(22)20-16/h1-6,8-9,16H,7,10H2,(H2,20,21,22)/t16-/m1/s1/f/h20-21H EE0D23D68D0AE21B