InChI=1/C18H23NO2/c1-16-8-10-18(11-9-16)21-15-13-19-12-5-14-20-17-6-3-2-4-7-17/h2-4,6-11,19H,5,12-15H2,1H3/p+1/fC18H24NO2/h19H/q+1 3DFAC9BA61678A1B