InChI=1/C20H28N4O2/c1-13-10-14(2)16-12-18(23-17(16)11-13)20(26)22-6-3-7-24-8-4-15(5-9-24)19(21)25/h10-12,15,23H,3-9H2,1-2H3,(H2,21,25)(H,22,26)/p+1/fC20H29N4O2/h22,24H,21H2/q+1 1439312676925448