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Figure 2
X-ray structure of photostable 1b: (a) hydrogen-bonded chains and (b) stacked C=C bonds of nearest-neighbour alkenes.

IUCrJ
Volume 6| Part 6| November 2019| Pages 1032-1039
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519011382