InChI=1/C19H20N2O/c1-4-16-8-6-10-18(12-16)20-19(22)14-21(3)13-17-9-5-7-15(2)11-17/h1,5-12H,13-14H2,2-3H3,(H,20,22)/p+1/fC19H21N2O/h20-21H/q+1 844AEA982BE3EF00