InChI=1/C19H19NO/c1-2-6-16(7-3-1)15-20-12-13-21-19-11-10-17-8-4-5-9-18(17)14-19/h1-11,14,20H,12-13,15H2/p+1/fC19H20NO/h20H/q+1 4B5DF922181F1D4E