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Figure 2
Crystal packing in (a) 1:1 TFA–DMAP and (b) MFA–DMAP salts; (c) 1:1:1 TFA–DMAP–H2O and (d) MFA–DMAP–H2O salt monohydrates; (e) 2:1 TFA-DMAP and (f) MFA–DMAP co-crystal salts, respectively. For clarity, the pyridine molecules are shown in orange and C—H⋯π interactions have been omitted.

IUCrJ
Volume 7| Part 2| March 2020| Pages 173-183
ISSN: 2052-2525
https://doi.org/10.1107/S205225251901604X