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Figure 1 The mol­ecular structure of the title compound, showing displacement ellipsoids drawn at the 30% probability level. The oxygen atom of carbonyl group and butyl group are disordered over two positions with site–occupancy factors, from refinement of 0.55 (4) and 0.45 (4) (for the O atom), 0.76 (2) and 0.24 (2) (for the butyl group), respectively.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 65| Part 2| January 2009| Page o266
doi:10.1107/S1600536809000208
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