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Figure 2 A view of the packing, showing the infinite one-dimensional hydrogen-bonded ribbons. Dashed lines indicate O—H⋯O and N—H⋯O hydrogen bonds. H atoms not involved in hydrogen bonding have been removed for clarity. Only atoms involved in hydrogen bonding are labelled. [symmetry code: (i) −x + , y − , −z + ; (ii) x − , −y + , z − 1/; (iii) −x + , y − , −z + .]. |