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Figure 2 A view of the hydrogen bonded helical 21 chain of title mol­ecules lying parallel to the c axis. Displacement ellipsoids are drawn at the 50% probability level. The hydrogen bonds are shown as dotted lines [symmetry codes: (i) −x, −y + 1, z + 0.5; (ii) −x, −y + 1, z − 0.5].

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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