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Figure 4
Partial packing diagram of (I)[link], showing ππ stacking (gray dotted lines). [Cg1 and Cg2 are the centroids of the C14–C19 and N2/C3–C7 rings; symmetry codes: (iii) −x + 1, −y + 1, −z + 1; (iv) −x, −y, −z + 2.]

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