InChI=1/C23H23NO2/c25-23(21-14-8-3-9-15-21)18-24(16-19-10-4-1-5-11-19)17-22(26-23)20-12-6-2-7-13-20/h1-15,22,25H,16-18H2/t22-,23-/m0/s1 5B18CA91CD805BF0