InChI=1/C16H16BrN3O/c17-12-4-1-10(2-5-12)9-19-15-7-11-3-6-16(21)20-14(11)8-13(15)18/h1-2,4-5,7-8,19H,3,6,9,18H2,(H,20,21)/f/h20H 7F03AD280661F2D1