InChI=1/C24H20N2O8/c1-2-33-19-12-14(8-9-18(19)27)21-20(22(28)15-5-3-6-16(11-15)26(31)32)23(29)24(30)25(21)13-17-7-4-10-34-17/h3-12,21,27,29H,2,13H2,1H3/p-1/t21-/m0/s1/fC24H19N2O8/h29h/q-1 F844FFA1EEC1C1C4