InChI=1/C20H22N8O2/c1-29-15-6-3-2-5-14(15)13-26-8-10-27(11-9-26)19-23-18(21)28-20(24-19)22-17(25-28)16-7-4-12-30-16/h2-7,12H,8-11,13H2,1H3,(H2,21,22,23,24,25)/f/h21,23H 4A1840DC49D82CD3