InChI=1/C19H18N2O/c1-19(2)13-9-5-3-7-11(13)17-15(18(19)22)16(20)12-8-4-6-10-14(12)21-17/h3-10,18,22H,1-2H3,(H2,20,21)/p+1/t18-/m1/s1/fC19H19N2O/h21H,20H2/q+1 EDF055AD8ED5E280