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Figure 1
Views of (Ia)[link] (top) and (Ib)[link] (bottom), showing the atom-numbering schemes and the symmetry-independent N—H⋯O and O—H⋯O hydrogen bonds (thin dashed lines). Displacement ellipsoids are drawn at the 50% probability level. Thick dashed lines indicate covalent bonds to alternative positions of atom H2W (related by the action of a twofold axis; site-occupancy factor = 0.5).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 11| October 2011| Pages o450-o456
doi:10.1107/S0108270111040650
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