InChI=1/C18H19NO/c1-13-17(20)12-16(14-8-4-2-5-9-14)19-18(13)15-10-6-3-7-11-15/h2-11,13,16,18-19H,12H2,1H3/p+1/t13-,16-,18-/m1/s1/fC18H20NO/h19H/q+1 26E4451C2D644661