InChI=1/C18H19N3O/c19-16(18(22)21-11-13-6-2-1-3-7-13)10-14-12-20-17-9-5-4-8-15(14)17/h1-9,12,16,20H,10-11,19H2,(H,21,22)/p+1/t16-/m0/s1/fC18H20N3O/h19,21H/q+1 135B42AA8C22818D