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Figure 2 . A view of the molecular arrangement of the title compound. Displacement ellipsoids (Mercury 2.2) are drawn at the 50% probability level. Strong O2—H9⋯N1i and N1⋯H9i—O2i hydrogen bonding interactions are responsible for the formation of dimers. Symmetry codes: (i)−x+1,−y+2,-z+2. |