Figure 2
A packing diagram for (I), illustrating the π–π interactions between rings A and C and the strong hydrogen-bonding network (dashed grey lines) forming infinite chains along the [201] direction. [Symmetry codes: (i) x + 1, − y, + z; (ii) x − 1, − y, z − ; (iii) x, − y, z − ; (vi) x, − y, z + .] |