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Figure 1
(a) Mol­ecule A in (I)[link]; mol­ecules B, C, and D are similar. (b) The mol­ecule of (II)[link]. Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitrary radii.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 63| Part 1| January 2007| Pages o14-o16
doi:10.1107/S0108270106048451
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