InChI=1/C18H17BrN2/c1-12-8-9-17(16-7-4-10-20-18(12)16)21-13(2)14-5-3-6-15(19)11-14/h3-11,13,21H,1-2H3/t13-/m0/s1 7AAE786FDF0C95E2