InChI=1S/C17H27N3O3/c1-23-16-13-14(5-7-15(16)21)6-8-17(22)20-12-3-2-10-19-11-4-9-18/h5-8,13,19,21H,2-4,9-12,18H2,1H3,(H,20,22)/b8-6+