InChI=1/C18H21NO/c1-2-6-16(7-3-1)17-8-10-18(11-9-17)20-15-14-19-12-4-5-13-19/h1-3,6-11H,4-5,12-15H2/p+1/fC18H22NO/h19H/q+1 CDFCB6DA92256B91