InChI=1/C24H20N2O5/c1-14-5-7-15(8-6-14)22(28)20-21(16-9-10-18(27)19(12-16)31-2)26(24(30)23(20)29)17-4-3-11-25-13-17/h3-13,21,27,29H,1-2H3/p-1/t21-/m0/s1/fC24H19N2O5/h29h/q-1 755D4DB4A64D51FD