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Figure 3 Part of the crystal structure of (I), showing the formation of a chain of R44(20) rings along [1 0 0]direction. For the sake of clarity, H atoms bonded to C atoms have been omitted. Dashed lines and doubled lines indicate hydrogen bonds. [Symmetry codes: (*)1-x,1-y,1-z; (#)1 + x,y,z; (&)-x,1-y,1-z]. |