InChI=1/C20H23NO2/c1-23-19-11-9-18(10-12-19)20(22)21-14-5-8-17(13-15-21)16-6-3-2-4-7-16/h2-4,6-7,9-12,17H,5,8,13-15H2,1H3/t17-/m1/s1 82DB9DC947EB7256