InChI=1/C19H21BrN2O3/c1-22(8-7-14-5-3-2-4-6-14)13-19(23)21-16-12-18-17(11-15(16)20)24-9-10-25-18/h2-6,11-12H,7-10,13H2,1H3,(H,21,23)/p+1/fC19H22BrN2O3/h21-22H/q+1 6736F0AB306030FA