InChI=1S/C24H22N4O4/c1-32-19-11-9-18(10-12-19)26-21(29)16-28-20-8-5-14-25-22(20)23(30)27(24(28)31)15-13-17-6-3-2-4-7-17/h2-12,14H,13,15-16H2,1H3,(H,26,29)