InChI=1/C28H28BrN3O4/c1-3-35-27(33)30-20-11-13-22-23-14-12-21(31-28(34)36-4-2)18-25(23)32(16-8-15-29)26(24(22)17-20)19-9-6-5-7-10-19/h5-7,9-14,17-18H,3-4,8,15-16H2,1-2H3,(H,30,33)/p+1/b31-21-/fC28H29BrN3O4/h30-31H/q+1/b 6CBF6CCF56CF44FD