InChI=1/C19H40N4O2/c1-16(2)14-18(23-10-12-25-13-11-23)15-21-19(24)20-8-6-7-9-22(5)17(3)4/h16-18H,6-15H2,1-5H3,(H2,20,21,24)/p+1/t18-/m0/s1/fC19H41N4O2/h20-22H/q+1 61CCD0D29C80B77B