InChI=1/C21H22BrNO5/c1-3-7-26-21(25)18-11(2)23-14-5-4-6-15(24)20(14)19(18)12-8-16-17(9-13(12)22)28-10-27-16/h8-9,19,23H,3-7,10H2,1-2H3/t19-/m1/s1 22F59DEEE7348D5D