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Figure 8
(a) Finite divergent arrangement (synthon A) of molecules in form I. (b) Possible rearrangement of molecules during the course of crystallization. (c) Finite convergent arrangement (synthon B) of molecules in forms II through to V.

IUCrJ
Volume 1| Part 1| January 2014| Pages 8-18
ISSN: 2052-2525
https://doi.org/10.1107/S2052252513024421