InChI=1/C19H19NO/c1-2-10-20-11-9-13-5-3-7-15-18(13)16(20)12-14-6-4-8-17(21)19(14)15/h2-8,16,21H,1,9-12H2/p+1/t16-/m0/s1/fC19H20NO/h20H/q+1 5E10FABA9E094EB9