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Figure 2 Hydrogen-bonding interactions, indicated by dashed lines, in the crystal structure of H4L. Symmetry operations for equivalent atoms: $1, 1 − x, −y, 2 − z; $2, x, − y, + z; $3, 1 − x, − + y, − z. |
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Figure 2 Hydrogen-bonding interactions, indicated by dashed lines, in the crystal structure of H4L. Symmetry operations for equivalent atoms: $1, 1 − x, −y, 2 − z; $2, x, − y, + z; $3, 1 − x, − + y, − z. |