InChI=1/C16H26N2O3/c1-2-16(14(19)20)8-10-18(11-9-16)15(21)17-12-13-6-4-3-5-7-13/h3-4,13H,2,5-12H2,1H3,(H,17,21)(H,19,20)/p-1/t13-/m0/s1/fC16H25N2O3/h17H/q-1 2E8DB416AB1F1FA4