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Figure 2 The hydrogen-bonded chain structure, showing the cyclic [R_{2}^{2}](8) amide–carboxyl and [R_{2}^{2}](6) piperidinium–carboxyl cation–anion associations. Non-associative H atoms have been omitted and hydrogen bonds are shown as dashed lines. For symmetry codes, see Table 1.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 67| Part 3| February 2011| Page o566
doi:10.1107/S1600536811003825
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