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Figure 2 Packing diagram of the title compound. H atoms not involved in H bonding (thick dashed lines) are omitted for clarity. The inter­action H7B⋯O5, which links the five-membered rings parallel to the c axis (the view direction), is not shown.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 65| Part 6| May 2009| Page o1192
doi:10.1107/S1600536809015190
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