InChI=1/C16H17BrN2O2/c17-13-1-2-15(20)14(11-13)16(12-3-5-18-6-4-12)19-7-9-21-10-8-19/h1-6,11,16,20H,7-10H2/t16-/m0/s1 2D99C1B1D621A9BF