InChI=1/C23H19N3O5/c1-29-16-8-9-19(30-2)18(13-16)25-23-17(22(28)26-21-5-3-4-10-24-21)11-14-6-7-15(27)12-20(14)31-23/h3-13,27H,1-2H3,(H,24,26,28)/p+1/b25-23-/fC23H20N3O5/h25-26H/q+1 DE795A5D3A80E4A4