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Figure 2
Packing diagrams for (a) (II)[link] and (b) (III)[link]. Dashed lines indicate intra­molecular N9—H9⋯O11ii [in (II)] and C3—H3⋯O12iii [in (III)] hydrogen bonds. [Symmetry codes: (ii) −x + 1, −y + 1, −z; (iii) x − [{1\over 2}], y, −z + [{3\over 2}].]

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CHEMISTRY
ISSN: 2053-2296
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