InChI=1/C21H18BrNO6/c1-11-15-8-14(22)4-6-16(15)29-20(11)21(25)26-9-19(24)23-12(2)13-3-5-17-18(7-13)28-10-27-17/h3-8,12H,9-10H2,1-2H3,(H,23,24)/t12-/m0/s1/f/h23H ED95CFD5808871E8