InChI=1/C26H20N2O6/c29-23(27-33)14-12-17-11-13-20-21(15-17)25(31)28(24(20)30)22(18-7-3-1-4-8-18)16-34-26(32)19-9-5-2-6-10-19/h1-15,22,33H,16H2,(H,27,29)/b14-12+/t22-/m1/s1/f/h27H CD3B561C311AD460