Fig. 2.

A quadruplet of the title molecules forming the motif R44(12). Intermolecular interactions are drawn as dashed lines. N (blue), O (red), C (grey), H (green).

A quadruplet of the title molecules forming the motif R44(12). Intermolecular interactions are drawn as dashed lines. N (blue), O (red), C (grey), H (green).