|
Figure 2
Crystal packing of 2 viewed parallel to the a axis (hydrogen atoms omitted for clarity). The loose association of the heterocyclic systems across inversion centres can be recognized in the central horizontal rows of rings. |
|
Figure 2
Crystal packing of 2 viewed parallel to the a axis (hydrogen atoms omitted for clarity). The loose association of the heterocyclic systems across inversion centres can be recognized in the central horizontal rows of rings. |