InChI=1/C18H21NO2/c1-15-4-2-5-17(14-15)7-8-18(20)21-13-3-6-16-9-11-19-12-10-16/h2,4-5,9-12,14H,3,6-8,13H2,1H3 E4047BEC02C38E3F