InChI=1S/C26H24N4O5/c1-13(2)20(31)21-28-17-10-6-4-8-15(17)23(33)29(21)19-12-26(35-24(19)34)16-9-5-7-11-18(16)30-22(32)14(3)27-25(26)30/h4-11,13-14,19,25,27H,12H2,1-3H3