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| Figure 1 . The molecular structure of (I), showing the atomic numbering scheme with atomic displacement ellipsoids drawn at the 50% probability level. The dashed lines indicates intramolecular O–H⋯N hydrogen bonds. |
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| Figure 1 . The molecular structure of (I), showing the atomic numbering scheme with atomic displacement ellipsoids drawn at the 50% probability level. The dashed lines indicates intramolecular O–H⋯N hydrogen bonds. |