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Figure 5
A partial packing diagram of the type II ladder for (II)[link]. N+—H⋯O− hydrogen bonds are shown as dashed lines. H atoms not involved in hydrogen bonding have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 3| February 2011| Pages o92-o99
doi:10.1107/S0108270111003714
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