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Figure 4
A schematic view of the formation of the 4-connected topological network in (I)[link] when the cations and anions are regarded as four-connected nodes. The gray and pink spheres represent the 4-methyl­imidazolium cations and picrate anions, respectively.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 72| Part 6| June 2016| Pages 772-775
https://doi.org/10.1107/S205698901600712X
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