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Figure 3 The mol­ecular structure of 4a, with displacement ellipsoids at the 50% probability level. Unlabelled atoms are related to labelled atoms by a twofold rotation (symmetry operator: −x + [{3\over 2}], y, −z).

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 67| Part 4| March 2011| Page o833
doi:10.1107/S160053681100821X
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