InChI=1/C18H24N2O/c1-13(14-8-4-3-5-9-14)20(2)18(21)17-12-15-10-6-7-11-16(15)19-17/h6-7,10-14,19H,3-5,8-9H2,1-2H3/t13-/m0/s1 84D7ADB4DF6E07CC