InChI=1/C16H31N3O2/c1-13(2)16(21)19-11-8-14(9-12-19)18-15(20)7-5-3-4-6-10-17/h13-14H,3-12,17H2,1-2H3,(H,18,20)/p+1/fC16H32N3O2/h17-18H/q+1 7E5EFB754F7D70F1