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Figure 2
The molecular structure of the two crystallographically independent zwitterions in (II[link]), viz. (a) 1 and (b) 2. Displacement ellipsoids are drawn at the 40% probability level and H atoms are shown as small spheres of arbitrary radii. The dashed lines in (b) indicate the superimposed structure of zwitterion 1, allowing a comparison of zwitterions 1 and 2. The common reference points are atoms C1, O1 and O2.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 61| Part 1| December 2005| Pages o25-o28
doi:10.1107/S0108270104029373
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