Figure 2
(a) A view of (I) along the a axis, showing the N—H⋯O, N—H⋯N and C—H⋯O hydrogen bonding (dashed lines). (b) A view of the one-dimensional ladder-like chain along the c axis, showing its planarity. [Symmetry codes: (i) −x + 2, −y, −z + 1; (ii) x, y, z + 1; (iii) x, y, z − 1.] |