InChI=1/C16H16BrN3O2/c17-12-6-8-13(9-7-12)19-15(21)14(20-16(18)22)10-11-4-2-1-3-5-11/h1-9,14H,10H2,(H,19,21)(H3,18,20,22)/t14-/m1/s1/f/h19-20H,18H2 1F754B8D038D7CAF