(2R,3R)-1,4-Dioxa­spiro­[4.4]nonane-2,3-di­carb­oxy­lic and (2R,3R)-1,4-dioxa­spiro­[4.5]decane-2,3-di­carb­oxy­lic acids

Minyaev, M.E.; Roitershtein, D.M.; Vinogradov, A.A.; Ananyev, I.V.; Nifant'ev, I.E.

doi:10.1107/S2056989018009593

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 4
The packing of (I)

parallel to (010). Two interacting molecular layers are shown. Only the H atoms involved in hydrogen bonding (blue dashed lines) have been included. Displacement ellipsoids are drawn at the 50% probability level.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 74| Part 8| August 2018| Pages 1058-1062

https://doi.org/10.1107/S2056989018009593

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