InChI=1/C16H28N4O2/c1-18(11-15(21)12-20-10-6-9-17-20)13-16(22)19(2)14-7-4-3-5-8-14/h6,9-10,14-15,21H,3-5,7-8,11-13H2,1-2H3/p+1/t15-/m1/s1/fC16H29N4O2/h18H/q+1 B72E306AB38ACD6E