InChI=1/C16H28N4O/c1-5-20-10-6-7-12(20)11-18-14-9-8-13(17)15(19-14)21-16(2,3)4/h8-9,12H,5-7,10-11,17H2,1-4H3,(H,18,19)/p+1/t12-/m0/s1/fC16H29N4O/h18,20H/q+1 DBDB621F7C1828A1