InChI=1/C16H23N3O2/c1-12-4-3-10-19(11-9-12)16(21)18-15-7-5-14(6-8-15)17-13(2)20/h5-8,12H,3-4,9-11H2,1-2H3,(H,17,20)(H,18,21)/t12-/m1/s1/f/h17-18H	B6D3576BA76192E9