InChI=1/C20H24N8O/c21-14-17-1-2-23-18(13-17)26-7-5-25(6-8-26)16-20(29)28-11-9-27(10-12-28)19-15-22-3-4-24-19/h1-4,13,15H,5-12,16H2 27BEFD60E52D469A