InChI=1/C17H21NO2/c1-13-7-10-16(20-13)11-18(15-8-9-15)12-17(19)14-5-3-2-4-6-14/h2-7,10,15,17,19H,8-9,11-12H2,1H3/t17-/m1/s1 46B830FCB492C047