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Figure 12
A perspective view of (IIa)[link], showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitrary radii. The dashed line indicates the N—H⋯O hydrogen bond. The rotational disorder of the methyl groups is not shown.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 1| December 2011| Pages o18-o25
doi:10.1107/S0108270110046755
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