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Figure 1 Molecular structure of the title compound showing the atomic numbering scheme [symmetry codes: (i) 1 − x,2 − y,1 − z; (ii) 1 − x,1 − y,1 − z; (iii) x,y,1 + z]. Displacement ellipsoids are drawn at the 30% probability level. For clarity, only N-H group H atoms are shown. |