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Figure 2
Crystal packing. (a) Two-dimensional network formed from ππ stacking between the porphyrin plane (red) and extended bi­pyridine units (blue). The folded bi­pyridine units and unsubstituted phenyl moieties are omitted for clarity. (b) Alternate layers of the two-dimensional network (light red) and folded bi­pyridine units (light blue).

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