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Figure 3
Conformations of the CPA molecules in the asymmetric unit of the low-temperature (a)–(c) and high-pressure (d) polymorphs for which crystal structures have been solved. Molecules are shown with the N–C–N plane normal to the plane of the figure.

IUCrJ
Volume 13| Part 2| March 2026| Pages 146-158
ISSN: 2052-2525
https://doi.org/10.1107/S2052252525011601