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Figure 4
Part of the crystal structure of com­pound (IVa)[link], showing the formation of a ribbon of alternating R22(8) and R22(20) rings running parallel to [10[\overline{1}]]. Hydro­gen bonds are drawn as dashed lines and, for the sake of clarity, H atoms not involved in the motif shown have been omitted.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
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