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Figure 3
A packing diagram of (I)[link], showing the column structure formed via the ππ inter­actions (magenta dashed lines). H atoms except for in the O—H⋯N/O⋯·H—N hydrogen bonds (green dashed lines) are omitted for clarity. Cg1, Cg2 and Cg3 are the centroids of the C1–C6, N2/C8–C11/C16 and C11–C16 rings, respectively. Symmetry codes: (iii) −x + 1, −y + 1, −z + 1; (iv) −x + 1, −y + 2, −z + 1.

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