InChI=1/C18H19NO2/c1-3-11-19-13-16-9-10-17(20-2)18(12-16)21-14-15-7-5-4-6-8-15/h1,4-10,12,19H,11,13-14H2,2H3/p+1/fC18H20NO2/h19H/q+1 8E5EAF3CF7AD5913