InChI=1/C21H39N5O2/c1-7-11-26(12-8-2)19(17(3)4)15-22-21(28)23-18-9-13-25(14-10-18)16-20(27)24(5)6/h7-8,17-19H,1-2,9-16H2,3-6H3,(H2,22,23,28)/p+2/t19-/m0/s1/fC21H41N5O2/h22-23,25-26H/q+2 D344DC5E1C2C035E