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Figure 1 The molecular structure of (I) with displacement ellipsoids for the non-hydrogen atoms drawn at the 50% probability level. Hydrogen bonds are drawn as dashed red lines. Symmetry code i: −x + 1, y, −z + . Intramolecular interactions are N1⋯N5 = 2.641 (1) Å, O2⋯C7 = 2.800 (1) Å, and O3⋯N1 = 2.835 (1) Å. |