InChI=1/C20H19BrN2O3/c21-12-5-6-18-15(8-12)16(20(26)23-18)10-13-9-14-11(4-7-19(24)25)2-1-3-17(14)22-13/h5-6,8-11,22H,1-4,7H2,(H,23,26)(H,24,25)/p-1/t11-/m0/s1/fC20H18BrN2O3/h23H/q-1 E89D8059C2618688