InChI=1/C19H19N3O/c1-19(2,3)14-4-5-15-16(10-14)17(11-20)22(18(15)23)12-13-6-8-21-9-7-13/h4-10,17H,12H2,1-3H3/t17-/m0/s1 458FABCFE79FF8FA