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Figure 4
A packing diagram for (II[link]), with two asymmetric units, an extra mol­ecule and several peripheral waters. The asymmetric units are distinguishable by their direct acid-to-acid hydrogen bonds (Fig. 3[link]); the two shown are screw-related along b. Methyl­ene and methine H atoms have been omitted for clarity. Displacement ellipsoids are drawn at the 20% probability level.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 57| Part 9| September 2001| Pages 1075-1078
doi:10.1107/S0108270101009441
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