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Figure 2 Packing structure of the title compound viewed down the a axis, showing intermolecular C—H⋯π and C—H⋯N interactions as blue and orange dashed lines, respectively. H atoms not involved in C—H⋯π and C—H⋯N interactions have been omitted for clarity. (S, S)-(I) and (R, R)-(I) are colored as green and red, respectively. |