InChI=1/C21H36N4O2/c1-8-25(16(4)5)18-11-9-17(10-12-18)23-21(27)20(26)22-14-19(24(6)7)13-15(2)3/h9-12,15-16,19H,8,13-14H2,1-7H3,(H,22,26)(H,23,27)/p+2/t19-/m0/s1/fC21H38N4O2/h22-25H/q+2 90198E3005D02021