Figure 2
View showing the C—H⋯N bond (C3 and N1), the interaction between the H atom bonded to C2 and the pyridyl ring, and the π-stacking of the N3-containing pyridine rings [symmetry codes: (i) ½ + x, ½ − y, z − ½; (ii) 2 − x, −y, 1 − z; (iii) ½ + x, ½ − y, ½ + z.] |