InChI=1/C22H21NO2/c1-3-23-16-12-13-17-18(14-16)22(15-8-5-4-6-9-15)25-20-11-7-10-19(24-2)21(17)20/h4-14,22-23H,3H2,1-2H3/t22-/m0/s1 3CA7894823722766