InChI=1/C22H44N4O2/c1-6-25(7-2)21(16-18(3)4)17-23-22(27)24(5)19-8-12-26(13-9-19)20-10-14-28-15-11-20/h18-21H,6-17H2,1-5H3,(H,23,27)/p+2/t21-/m0/s1/fC22H46N4O2/h23,25-26H/q+2 E369526D1B0FCBEA