InChI=1/C20H22N4O2/c1-20(2,3)17-13-18(24-26-17)23-19(25)22-16-6-4-14(5-7-16)12-15-8-10-21-11-9-15/h4-11,13H,12H2,1-3H3,(H2,22,23,24,25)/f/h22-23H EC74BF028B2D31C3