InChI=1/C23H15N5O5/c29-16-10-7-14-11-17(21-24-18-3-1-2-4-19(18)25-21)23(33-20(14)12-16)27-26-22(30)13-5-8-15(9-6-13)28(31)32/h1-12,21,29H,(H,26,30)/p+3/b27-23-/fC23H18N5O5/h24-27H/q+3 C2C9B3E584E0B0D5