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Figure 7
A view of the two-dimensional sheet in the (001) plane in (IIb)[link], formed by the combination of C—H⋯N hydrogen bonding and π-stacking. C—H⋯N hydrogen bonds are shown as thin lines and H atoms not involved in these inter­actions have been omitted.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 12| November 2011| Pages o509-o514
doi:10.1107/S0108270111049900
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