InChI=1/C16H27N3O2/c1-4-5-9-18-16(20)13-7-8-15(14(17)12-13)21-11-6-10-19(2)3/h7-8,12H,4-6,9-11,17H2,1-3H3,(H,18,20)/p+1/fC16H28N3O2/h18-19H/q+1 46349410EB3FAFD1