InChI=1/C15H27N3O3/c1-16-9-11-4-3-7-18(10-11)15(21)17-13-6-2-5-12(8-13)14(19)20/h11-13,16H,2-10H2,1H3,(H,17,21)(H,19,20)/t11-,12-,13-/m0/s1/f/h16-17H AE5DBF9AA69DB037