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Figure 8
Comparison of structural models for the three data points [(a), (b) and (c)] indicated in Table 3[link]. Carbon is shown in blue, nitro­gen is shown in purple, oxygen is shown in red and nickel is shown in green.

IUCrJ
Volume 6| Part 4| July 2019| Pages 703-713
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519006948