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Figure 1
The asymmetric units in (a) (I)[link], (b) (II)[link], (c) (III)[link] and (d) (IV)[link]. Displacement ellipsoids are drawn at the 50% probability level at ca 110 K and H atoms are shown as small spheres of arbitrary radii. Intra- and inter­molecular hydrogen bonds are indicated by dashed lines.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 65| Part 12| November 2009| Pages o639-o644
doi:10.1107/S0108270109047519
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