InChI=1/C16H28N2O3/c1-17(12-13-7-3-2-4-8-13)16(21)18-10-6-5-9-14(18)11-15(19)20/h13-14H,2-12H2,1H3,(H,19,20)/p-1/t14-/m0/s1/fC16H27N2O3/q-1 B1D679F192799E50