InChI=1/C11H20N2O3/c1-7(3-6-9(14)15)13-10(16)11(2,12)8-4-5-8/h7-8H,3-6,12H2,1-2H3,(H,13,16)(H,14,15)/t7-,11-/m1/s1/f/h12-13H D084784D271DC3F7