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Figure 2
ACM–NAM-I. (a) Acid–pyridine and amide–acid synthons. (b) NAM coformers extend through amide chains and also interact with ACM to result in a sandwich-type packing. (c) NAM and ACM domains along the 21 screw axis. H atoms are removed for clarity.

IUCrJ
Volume 4| Part 3| May 2017| Pages 206-214
ISSN: 2052-2525
https://doi.org/10.1107/S2052252517002305