InChI=1/C18H23N3O/c22-20-17-6-4-5-14-15-11-13(7-8-16(15)19-18(14)17)12-21-9-2-1-3-10-21/h7-8,11,19,22H,1-6,9-10,12H2/p+1/b20-17-/fC18H24N3O/h21H/q+1 D8D7A7F6B30EF13C