InChI=1/C26H20N4O8/c1-9(31)27-11-5-7-13(37-3)19-15(11)23(33)17-21(29-19)26(36)18-22(25(17)35)30-20-14(38-4)8-6-12(28-10(2)32)16(20)24(18)34/h5-8H,1-4H3,(H,27,31)(H,28,32)(H,29,33)(H,30,34)/p-2/fC26H18N4O8/h27-28H/q-2 3B52ED7B90261E10