InChI=1/C16H17BrN2O/c17-13-4-2-1-3-11(13)14-15(19-20-16(14)18)12-8-9-5-6-10(12)7-9/h1-4,9-10,12H,5-8,18H2/t9-,10+,12+/m0/s1 4CD9DCC594CF2582