InChI=1/C16H26N4O/c1-15(2,3)12-11-14(20(6)19-12)18-13(17-11)10-7-8-21-16(4,5)9-10/h10,19H,7-9H2,1-6H3/p+1/t10-/m1/s1/fC16H27N4O/h18H/q+1 FE918E4D410E1CC6