InChI=1/C15H16BrN3O/c1-9-3-6-13(19-17)12(7-9)15(20)18-14-8-11(16)5-4-10(14)2/h3-8,19H,17H2,1-2H3,(H,18,20)/f/h18H 094F4B87224FF10D