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Figure 2 A view of part of the crystal structure of the title compound lying parallel to (100), showing the formation of rings via O-HCl and N-HCl hydrogen-bonds. Hydrogen bonds are drawn as dashed lines [symmetry codes: (i) x-1, y, z; (ii) -x+2, -y+1, -z+1; (iii) x+1, y, z].