InChI=1S/C16H25N3O3/c1-10(17)15(21)18-11(2)16(22)19-14(12(3)20)9-13-7-5-4-6-8-13/h4-8,10-12,14,20H,9,17H2,1-3H3,(H,18,21)(H,19,22)/t10-,11-,12+,14-/m0/s1