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Figure 2 The packing of (I), viewed down b axis. Intramolecular hydrogen bond and C-H⋯π interactions are shown as dashed lines. H atoms not involved in hydrogen bonding have been omitted. [Symmetry code (i) −1 + x, y, z. Cg1 and Cg3 are the centroids of the rings (C1-C6) and (C20-C25)]. |