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Figure 1
Mol­ecules of the title compound, showing the atom-numbering schemes: (a) polymorphic form (Ia) and (b) form (Ib). Displacement ellipsoids are drawn at the 50% probability level.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 64| Part 10| September 2008| Pages o574-o577
doi:10.1107/S0108270108029806
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