InChI=1S/C20H22N8O3/c1-21-20(30)16-14(9-15(25-26-16)24-19(29)11-7-8-11)23-13-6-4-5-12(17(13)31-3)18-22-10-28(2)27-18/h4-6,9-11H,7-8H2,1-3H3,(H,21,30)(H2,23,24,25,29)/i1D3