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Figure 4
(a) N—H⋯O and O—H⋯O hydrogen bonds make a one-dimensional chain along the c-axis. (b) Extended packing in the ACM–PABA crystal structure, viewed down the b-axis. The acidic proton of ACM could not be located from the X-ray data and is not included in the figure.

IUCrJ
Volume 1| Part 2| February 2014| Pages 136-150
ISSN: 2052-2525
doi:10.1107/S2052252514004229