InChI=1S/C24H22N4O3/c1-16-14-18(24(25)31)4-9-21(16)28-20(8-11-23(29)30)7-10-22(28)17-2-5-19(6-3-17)27-13-12-26-15-27/h2-7,9-10,12-15H,8,11H2,1H3,(H2,25,31)(H,29,30)