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Figure 2 Pairs of molecules related by a crystallographic inversion center. The second molecule* is generated by the operation -x, −y, 1 − z. Dashed lines denote the C11—H11⋯N4 hydrogen bonds. |
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Figure 2 Pairs of molecules related by a crystallographic inversion center. The second molecule* is generated by the operation -x, −y, 1 − z. Dashed lines denote the C11—H11⋯N4 hydrogen bonds. |