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Figure 4
Comparative packing views of (II) and (IIa)[link], projected along [010]. For (II), details of the hydrogen bonds (broken lines) are presented in Table 3[link]. For (IIa)[link], details of the O⋯O contacts that can be inter­preted as hydrogen bonds are presented in Table 4[link].

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CHEMISTRY
ISSN: 2053-2296
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