InChI=1/C21H36N4O2/c1-16-19(17(2)24-23-16)9-12-22-15-21(27)11-6-13-25(20(21)26)14-10-18-7-4-3-5-8-18/h18,22,27H,3-15H2,1-2H3,(H,23,24)/p+1/t21-/m1/s1/fC21H37N4O2/h22-23H/q+1 E91260B2DCD62462