InChI=1/C20H21NO2/c22-17-7-6-14-10-16-18-13(8-9-21(16)11-12-4-5-12)2-1-3-15(18)19(14)20(17)23/h1-3,6-7,12,16,22-23H,4-5,8-11H2/p+1/t16-/m1/s1/fC20H22NO2/h21H/q+1 4DA0559CB360949E