InChI=1/C18H21NO/c1-19-11-9-14-5-2-3-6-16(14)13-17-15(10-12-19)7-4-8-18(17)20/h2-8,20H,9-13H2,1H3/p+1/fC18H22NO/h19H/q+1 CADEDDFEA6D449D6