InChI=1/C15H27N3O3/c1-12-2-4-13(5-3-12)16-15(21)18-10-8-17(9-11-18)7-6-14(19)20/h12-13H,2-11H2,1H3,(H,16,21)(H,19,20)/f/h16-17H C17DA02C42D9EECF