|
Figure 4 Part of the crystal structure of (I), showing the formation of R44(28) ring motif. H atoms not involved in hydrogen bonds have been omitted for clarity. The dashed line indicates hydrogen bond. [Symmetry codes: (i) x, y, z + 1; (ii) 1-x, 1/2-y, 1 + z; (iii) 1-x, 1/2-y, z]. |