InChI=1/C22H21NO2/c1-16-10-12-18(13-11-16)21(17-6-3-2-4-7-17)23-14-19-8-5-9-20-22(19)25-15-24-20/h2-13,21,23H,14-15H2,1H3/t21-/m0/s1 372501F9E2AF8518