InChI=1/C17H19N3O/c18-10-9-13-11-20(16-4-2-1-3-15(13)16)14-7-5-12(6-8-14)17(19)21/h1-8,13H,9-11,18H2,(H2,19,21)/p+1/t13-/m0/s1/fC17H20N3O/h18H,19H2/q+1 B7217DA10BB4E5A3