InChI=1/C20H24N4O2/c1-2-3-14-17(22-20(21)26)19(25)24-23-18(15-10-6-4-7-11-15)16-12-8-5-9-13-16/h4-13,17H,2-3,14H2,1H3,(H,24,25)(H3,21,22,26)/t17-/m1/s1/f/h22,24H,21H2 403280247F9E0E1A