InChI=1/C21H22N4O2/c1-14-5-2-3-6-16(14)18-13-23-24-19(18)15-8-11-25(12-9-15)20-17(21(26)27)7-4-10-22-20/h2-7,10,13,15H,8-9,11-12H2,1H3,(H,23,24)(H,26,27)/f/h22-23H D2C8D8B85850E620