InChI=1/C16H15BrN2O/c1-9-3-4-11(7-10(9)2)15(17)12-5-6-13-14(8-12)19-16(20)18-13/h3-8,15H,1-2H3,(H2,18,19,20)/t15-/m0/s1/f/h18-19H 6778AC2C88BC3B80