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Figure 4
Part of the crystal packing of (II)[link], illustrating the complex hydrogen-bond network. Hydrogen bonds are shown as dashed lines and H atoms not involved in hydrogen bonding have been omitted for clarity. Only the major parts of the disordered atoms of the propyl side chain (C16/C17) and of the ethanol solvent molecule (C19/C20/O6) are shown. Selected atoms of the mol­ecules present in the asymmetric unit are labelled, primarily to provide a key for the coding of the atoms. [Symmetry codes: (i) x + [{1\over 2}], −y − [{1\over 2}], −z; (ii) x, y + 1, z; (iii) x − [{1\over 2}], −y − [{1\over 2}], −z.]

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CHEMISTRY
ISSN: 2053-2296
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