InChI=1/C19H18N2O2/c1-13-6-5-8-17(10-13)21(14(2)22)12-16-11-15-7-3-4-9-18(15)20-19(16)23/h3-11,16H,12H2,1-2H3/p+1/t16-/m0/s1/fC19H19N2O2/h20H/q+1 1AAB7A1213C81F0C