InChI=1/C20H19BrN2O3/c1-3-14(12-7-5-4-6-8-12)19(24)23-17-15-11-13(21)9-10-16(15)22-18(17)20(25)26-2/h4-11,14,18H,3H2,1-2H3,(H,23,24)/p+1/t14-,18+/m0/s1/fC20H20BrN2O3/h22-23H/q+1 3EB99E93FB7C8526