InChI=1/C18H23NO2/c1-14-2-7-18(19-8-10-21-11-9-19)16(12-14)13-15-3-5-17(20)6-4-15/h3-6,13-14H,2,7-12H2,1H3/p+1/t14-/m0/s1/fC18H24NO2/h20H/q+1/b16-13+ 004A02995E73E219