InChI=1/C19H21NO2/c21-17-7-5-15-6-8-18(22-19(15)11-17)13-20-10-9-14-3-1-2-4-16(14)12-20/h1-5,7,11,18,21H,6,8-10,12-13H2/t18-/m0/s1 2993612FB2D3C065