InChI=1/C19H21NO2/c21-17-6-3-14(4-7-17)16-9-15-5-8-18(22)10-19(15)20(12-16)11-13-1-2-13/h3-8,10,13,16,21-22H,1-2,9,11-12H2/t16-/m0/s1 2D37FD53ABDEBDEF