InChI=1/C16H22N2O3/c1-2-13-7-3-4-8-14(13)17-16(21)18-9-5-6-12(11-18)10-15(19)20/h3-4,7-8,12H,2,5-6,9-11H2,1H3,(H,17,21)(H,19,20)/p-1/t12-/m1/s1/fC16H21N2O3/h17H/q-1 64AAEB5DF28D1C2C