InChI=1/C21H28N4O/c1-20(2,3)16-6-4-15(5-7-16)19(26)25-12-9-21(10-13-25)18-17(8-11-24-21)22-14-23-18/h4-7,14,24H,8-13H2,1-3H3,(H,22,23)/p+1/fC21H29N4O/h22-23H/q+1 5D9C6BB73A57EB40