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Figure 3
Chains of mol­ecules linked through hydrogen-bonding inter­actions (dotted lines) in the crystal structures of (a) (II)[link] and (b) (I). The different colours represent the enanti­omers of (II)[link] in (a) (dark blue and light blue in the electronic version of the paper) and the independent mol­ecules in the asymmetric unit of (I) in (b) (purple and light pink). H atoms not involved in hydrogen bonding have been omitted. [Symmetry codes: (ii) −x + [{1\over 2}], y, z + [{1\over 2}]; (iii) x + [{1\over 2}], −y, z; (iv) x − [{1\over 2}], −y, z; (v) −x, −y, z − [{1\over 2}]; (vii) −x + [{1\over 2}], y, z − [{1\over 2}]; (viii) −x + 2, y − [{1\over 2}], −z; (ix) −x + 2, y + [{1\over 2}], −z; (x) −x + 1, y + [{1\over 2}], −z; (xi) −x + 1, y − [{1\over 2}], −z; (xii) x, y − 1, z.]

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CHEMISTRY
ISSN: 2053-2296
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