InChI=1/C20H23NO2/c1-12(2)11-21-9-8-13-4-3-5-15-18(13)16(21)10-14-6-7-17(22)20(23)19(14)15/h3-7,12,16,22-23H,8-11H2,1-2H3/p+1/t16-/m1/s1/fC20H24NO2/h21H/q+1 E66FAFBBCFDE6293