InChI=1/C15H26N2O3/c1-5-6-11-8-13(15(19)20)17-14(11)12(7-9(2)3)16-10(4)18/h5-6,9,11-14,17H,7-8H2,1-4H3,(H,16,18)(H,19,20)/b6-5+/t11-,12+,13-,14-/m1/s1/f/h16-17H A96938DB5FD46B5D