InChI=1/C18H17NO2/c1-21-14-9-6-13(7-10-14)17(19)16-11-8-12-4-2-3-5-15(12)18(16)20/h2-11,17,20H,19H2,1H3/p+1/t17-/m1/s1/fC18H18NO2/h19H/q+1 C49437FBD5D10542