InChI=1/C15H26N2O3/c1-12-4-2-3-9-17(12)14(18)16-13-5-7-15(8-6-13)19-10-11-20-15/h12-13H,2-11H2,1H3,(H,16,18)/t12-/m1/s1/f/h16H CCFDDD53129F41AD