Figure 4
A packing diagram for (II), viewed down the a axis. Dashed lines indicate O—H⋯O and N—H⋯O hydrogen bonds. H atoms not involved in hydrogen bonding have been omitted for clarity. Only atoms involved in the hydrogen bonding are labelled. [Symmetry codes: (i) x − 1, −y + , z + ; (ii) −x, −y + 1, −z + 2; (iii) −x + 1, −y + 1, −z + 1.] |