InChI=1/C16H28N2O3/c1-3-7-16(14(19)20)8-10-18(12-16)15(21)17-9-5-6-13(4-2)11-17/h13H,3-12H2,1-2H3,(H,19,20)/p-1/t13-,16-/m1/s1/fC16H27N2O3/q-1 E74CB9AF85DD89C6