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| Figure 1 2-D hydrogen-bonding network in the ac plane built upon 1-D helical chains with green dash lines showing the O1w—H⋯O (O21 or O23) hydrogen bonds. Hydrogen atoms are omitted for clarity. |
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| Figure 1 2-D hydrogen-bonding network in the ac plane built upon 1-D helical chains with green dash lines showing the O1w—H⋯O (O21 or O23) hydrogen bonds. Hydrogen atoms are omitted for clarity. |